98787654 has 64 divisors (see below), whose sum is σ = 255674880. Its totient is φ = 27686880.

The previous prime is 98787649. The next prime is 98787677. The reversal of 98787654 is 45678789.

98787654 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 98787654.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17569 + ... + 22499.

It is an arithmetic number, because the mean of its divisors is an integer number (3994920).

Almost surely, 2^98787654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98787654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127837440).

98787654 is an abundant number, since it is smaller than the sum of its proper divisors (156887226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98787654 is a wasteful number, since it uses less digits than its factorization.

98787654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5002 (or 4996 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 98787654 is about 9939.1978549579. The cubic root of 98787654 is about 462.2755145303.

The spelling of 98787654 in words is "ninety-eight million, seven hundred eighty-seven thousand, six hundred fifty-four".