98775031 has 4 divisors (see below), whose sum is σ = 98988832. Its totient is φ = 98561232.

The previous prime is 98775011. The next prime is 98775067. The reversal of 98775031 is 13057789.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 98775031 - 2⁹ = 98774519 is a prime.

It is a super-2 number, since 2×98775031² = 19513013498101922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98775011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106206 + ... + 107131.

It is an arithmetic number, because the mean of its divisors is an integer number (24747208).

Almost surely, 2^98775031 is an apocalyptic number.

98775031 is a deficient number, since it is larger than the sum of its proper divisors (213801).

98775031 is a wasteful number, since it uses less digits than its factorization.

98775031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213800.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 98775031 is about 9938.5628236682. The cubic root of 98775031 is about 462.2558239714.

The spelling of 98775031 in words is "ninety-eight million, seven hundred seventy-five thousand, thirty-one".