97902113 has 4 divisors (see below), whose sum is σ = 99281088. Its totient is φ = 96523140.

The previous prime is 97902107. The next prime is 97902127. The reversal of 97902113 is 31120979.

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: 31120979 = 587 ⋅53017.

It is a cyclic number.

It is not a de Polignac number, because 97902113 - 2⁸ = 97901857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97902113.

It is not an unprimeable number, because it can be changed into a prime (97902313) 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, 689381 + ... + 689522.

It is an arithmetic number, because the mean of its divisors is an integer number (24820272).

Almost surely, 2^97902113 is an apocalyptic number.

It is an amenable number.

97902113 is a deficient number, since it is larger than the sum of its proper divisors (1378975).

97902113 is a wasteful number, since it uses less digits than its factorization.

97902113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378974.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 97902113 is about 9894.5496613034. The cubic root of 97902113 is about 460.8900740626.

The spelling of 97902113 in words is "ninety-seven million, nine hundred two thousand, one hundred thirteen".