97974497000 has 32 divisors (see below), whose sum is σ = 229260325320. Its totient is φ = 39189798400.

The previous prime is 97974496973. The next prime is 97974497069. The reversal of 97974497000 is 79447979.

It can be written as a sum of positive squares in 4 ways, for example, as 64279489156 + 33695007844 = 253534^2 + 183562^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48986249 + ... + 48988248.

Almost surely, 2^97974497000 is an apocalyptic number.

It is an amenable number.

97974497000 is an abundant number, since it is smaller than the sum of its proper divisors (131285828320).

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

97974497000 is a wasteful number, since it uses less digits than its factorization.

97974497000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97974518 (or 97974504 counting only the distinct ones).

The product of its (nonzero) digits is 4000752, while the sum is 56.

The spelling of 97974497000 in words is "ninety-seven billion, nine hundred seventy-four million, four hundred ninety-seven thousand".