97915954 has 16 divisors (see below), whose sum is σ = 159308856. Its totient is φ = 44953600.

The previous prime is 97915943. The next prime is 97915957. The reversal of 97915954 is 45951979.

It can be written as a sum of positive squares in 4 ways, for example, as 95746225 + 2169729 = 9785^2 + 1473^2 .

It is a junction number, because it is equal to n+sod(n) for n = 97915898 and 97915907.

It is not an unprimeable number, because it can be changed into a prime (97915957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33727 + ... + 36514.

Almost surely, 2^97915954 is an apocalyptic number.

97915954 is a deficient number, since it is larger than the sum of its proper divisors (61392902).

97915954 is a wasteful number, since it uses less digits than its factorization.

97915954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70301.

The product of its digits is 510300, while the sum is 49.

The square root of 97915954 is about 9895.2490620499. The cubic root of 97915954 is about 460.9117926232.

The spelling of 97915954 in words is "ninety-seven million, nine hundred fifteen thousand, nine hundred fifty-four".