97615018385 has 16 divisors (see below), whose sum is σ = 124150320000. Its totient is φ = 73426173696.

The previous prime is 97615018373. The next prime is 97615018399. The reversal of 97615018385 is 58381051679.

It is a de Polignac number, because none of the positive numbers 2^k-97615018385 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476885 + ... + 650114.

It is an arithmetic number, because the mean of its divisors is an integer number (7759395000).

Almost surely, 2^97615018385 is an apocalyptic number.

It is an amenable number.

97615018385 is a deficient number, since it is larger than the sum of its proper divisors (26535301615).

97615018385 is a wasteful number, since it uses less digits than its factorization.

97615018385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128040.

The product of its (nonzero) digits is 1814400, while the sum is 53.

The spelling of 97615018385 in words is "ninety-seven billion, six hundred fifteen million, eighteen thousand, three hundred eighty-five".