97791464 has 8 divisors (see below), whose sum is σ = 183359010. Its totient is φ = 48895728.

The previous prime is 97791439. The next prime is 97791467. The reversal of 97791464 is 46419779.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 58828900 + 38962564 = 7670^2 + 6242^2 .

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

It is not an unprimeable number, because it can be changed into a prime (97791467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111959 + ... + 6111974.

Almost surely, 2^97791464 is an apocalyptic number.

It is an amenable number.

97791464 is a deficient number, since it is larger than the sum of its proper divisors (85567546).

97791464 is a wasteful number, since it uses less digits than its factorization.

97791464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12223939 (or 12223935 counting only the distinct ones).

The product of its digits is 381024, while the sum is 47.

The square root of 97791464 is about 9888.9566689313. The cubic root of 97791464 is about 460.7163759043.

The spelling of 97791464 in words is "ninety-seven million, seven hundred ninety-one thousand, four hundred sixty-four".