98787049 has 4 divisors (see below), whose sum is σ = 101973760. Its totient is φ = 95600340.

The previous prime is 98787043. The next prime is 98787053. The reversal of 98787049 is 94078789.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94078789 = 7 ⋅13439827.

It is a cyclic number.

It is not a de Polignac number, because 98787049 - 2⁷ = 98786921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98786987 and 98787005.

It is not an unprimeable number, because it can be changed into a prime (98787043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1593309 + ... + 1593370.

It is an arithmetic number, because the mean of its divisors is an integer number (25493440).

Almost surely, 2^98787049 is an apocalyptic number.

It is an amenable number.

98787049 is a deficient number, since it is larger than the sum of its proper divisors (3186711).

98787049 is a wasteful number, since it uses less digits than its factorization.

98787049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3186710.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The square root of 98787049 is about 9939.1674198597. The cubic root of 98787049 is about 462.2745708319.

The spelling of 98787049 in words is "ninety-eight million, seven hundred eighty-seven thousand, forty-nine".