97557075580 has 24 divisors (see below), whose sum is σ = 204876041328. Its totient is φ = 39021652608.

The previous prime is 97557075571. The next prime is 97557075587. The reversal of 97557075580 is 8557075579.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97557075587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 959127 + ... + 1055953.

It is an arithmetic number, because the mean of its divisors is an integer number (8536501722).

Almost surely, 2^97557075580 is an apocalyptic number.

It is an amenable number.

97557075580 is an abundant number, since it is smaller than the sum of its proper divisors (107318965748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97557075580 is a wasteful number, since it uses less digits than its factorization.

97557075580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147213 (or 147211 counting only the distinct ones).

The product of its (nonzero) digits is 15435000, while the sum is 58.

The spelling of 97557075580 in words is "ninety-seven billion, five hundred fifty-seven million, seventy-five thousand, five hundred eighty".