97770025371 has 16 divisors (see below), whose sum is σ = 145292918400. Its totient is φ = 58117166208.

The previous prime is 97770025369. The next prime is 97770025391. The reversal of 97770025371 is 17352007779.

It is not a de Polignac number, because 97770025371 - 2¹ = 97770025369 is a prime.

It is a super-2 number, since 2×97770025371² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97770025371.

It is not an unprimeable number, because it can be changed into a prime (97770025351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50447961 + ... + 50449898.

It is an arithmetic number, because the mean of its divisors is an integer number (9080807400).

Almost surely, 2^97770025371 is an apocalyptic number.

97770025371 is a deficient number, since it is larger than the sum of its proper divisors (47522893029).

97770025371 is a wasteful number, since it uses less digits than its factorization.

97770025371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100897898.

The product of its (nonzero) digits is 648270, while the sum is 48.

The spelling of 97770025371 in words is "ninety-seven billion, seven hundred seventy million, twenty-five thousand, three hundred seventy-one".