97478757 has 24 divisors (see below), whose sum is σ = 145433600. Its totient is φ = 62868960.

The previous prime is 97478749. The next prime is 97478767. The reversal of 97478757 is 75787479.

It is not a de Polignac number, because 97478757 - 2³ = 97478749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97478707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65532 + ... + 67002.

Almost surely, 2^97478757 is an apocalyptic number.

It is an amenable number.

97478757 is a deficient number, since it is larger than the sum of its proper divisors (47954843).

97478757 is a wasteful number, since it uses less digits than its factorization.

97478757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713 (or 1710 counting only the distinct ones).

The product of its digits is 3457440, while the sum is 54.

The square root of 97478757 is about 9873.1330893491. The cubic root of 97478757 is about 460.2247751508.

The spelling of 97478757 in words is "ninety-seven million, four hundred seventy-eight thousand, seven hundred fifty-seven".