98611957 has 4 divisors (see below), whose sum is σ = 103802080. Its totient is φ = 93421836.

The previous prime is 98611939. The next prime is 98611967. The reversal of 98611957 is 75911689.

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.

It is a cyclic number.

It is not a de Polignac number, because 98611957 - 2²³ = 90223349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98611907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2595033 + ... + 2595070.

It is an arithmetic number, because the mean of its divisors is an integer number (25950520).

Almost surely, 2^98611957 is an apocalyptic number.

It is an amenable number.

98611957 is a deficient number, since it is larger than the sum of its proper divisors (5190123).

98611957 is a wasteful number, since it uses less digits than its factorization.

98611957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5190122.

The product of its digits is 136080, while the sum is 46.

The square root of 98611957 is about 9930.3553310040. The cubic root of 98611957 is about 462.0012946373.

The spelling of 98611957 in words is "ninety-eight million, six hundred eleven thousand, nine hundred fifty-seven".