98807661 has 8 divisors (see below), whose sum is σ = 146381760. Its totient is φ = 65871756.

The previous prime is 98807627. The next prime is 98807693. The reversal of 98807661 is 16670889.

It is a happy number.

It is not a de Polignac number, because 98807661 - 2¹³ = 98799469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98807461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1829745 + ... + 1829798.

It is an arithmetic number, because the mean of its divisors is an integer number (18297720).

Almost surely, 2^98807661 is an apocalyptic number.

It is an amenable number.

98807661 is a deficient number, since it is larger than the sum of its proper divisors (47574099).

98807661 is a wasteful number, since it uses less digits than its factorization.

98807661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3659552 (or 3659546 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 98807661 is about 9940.2042735549. The cubic root of 98807661 is about 462.3067199207.

The spelling of 98807661 in words is "ninety-eight million, eight hundred seven thousand, six hundred sixty-one".