97577481 has 8 divisors (see below), whose sum is σ = 130302784. Its totient is φ = 64951920.

The previous prime is 97577419. The next prime is 97577509. The reversal of 97577481 is 18477579.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97577481 - 2¹⁴ = 97561097 is a prime.

It is a super-2 number, since 2×97577481² = 19042729596610722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97577481.

It is not an unprimeable number, because it can be changed into a prime (97577401) 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, 22621 + ... + 26586.

It is an arithmetic number, because the mean of its divisors is an integer number (16287848).

Almost surely, 2^97577481 is an apocalyptic number.

It is an amenable number.

97577481 is a deficient number, since it is larger than the sum of its proper divisors (32725303).

97577481 is a wasteful number, since it uses less digits than its factorization.

97577481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49871.

The product of its digits is 493920, while the sum is 48.

The square root of 97577481 is about 9878.1314528609. The cubic root of 97577481 is about 460.3800907025.

The spelling of 97577481 in words is "ninety-seven million, five hundred seventy-seven thousand, four hundred eighty-one".