97768725087 has 64 divisors (see below), whose sum is σ = 153006243840. Its totient is φ = 54905558400.

The previous prime is 97768725029. The next prime is 97768725137. The reversal of 97768725087 is 78052786779.

It is not a de Polignac number, because 97768725087 - 2⁷ = 97768724959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97768725017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5645013 + ... + 5662305.

It is an arithmetic number, because the mean of its divisors is an integer number (2390722560).

Almost surely, 2^97768725087 is an apocalyptic number.

97768725087 is a deficient number, since it is larger than the sum of its proper divisors (55237518753).

97768725087 is a wasteful number, since it uses less digits than its factorization.

97768725087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17524.

The product of its (nonzero) digits is 82978560, while the sum is 66.

The spelling of 97768725087 in words is "ninety-seven billion, seven hundred sixty-eight million, seven hundred twenty-five thousand, eighty-seven".