97437992 has 8 divisors (see below), whose sum is σ = 182696250. Its totient is φ = 48718992.

The previous prime is 97437971. The next prime is 97437997. The reversal of 97437992 is 29973479.

It can be written as a sum of positive squares in only one way, i.e., 67996516 + 29441476 = 8246^2 + 5426^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 97437992.

It is not an unprimeable number, because it can be changed into a prime (97437997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6089867 + ... + 6089882.

Almost surely, 2^97437992 is an apocalyptic number.

It is an amenable number.

97437992 is a deficient number, since it is larger than the sum of its proper divisors (85258258).

97437992 is a wasteful number, since it uses less digits than its factorization.

97437992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12179755 (or 12179751 counting only the distinct ones).

The product of its digits is 857304, while the sum is 50.

The square root of 97437992 is about 9871.0684325457. The cubic root of 97437992 is about 460.1606118418.

The spelling of 97437992 in words is "ninety-seven million, four hundred thirty-seven thousand, nine hundred ninety-two".