97621013524 has 48 divisors (see below), whose sum is σ = 174764595600. Its totient is φ = 47699712000.

The previous prime is 97621013519. The next prime is 97621013557. The reversal of 97621013524 is 42531012679.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 11145024900 + 86475988624 = 105570^2 + 294068^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26318182 + ... + 26321890.

It is an arithmetic number, because the mean of its divisors is an integer number (3640929075).

Almost surely, 2^97621013524 is an apocalyptic number.

It is an amenable number.

97621013524 is a deficient number, since it is larger than the sum of its proper divisors (77143582076).

97621013524 is a wasteful number, since it uses less digits than its factorization.

97621013524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4444 (or 4442 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

It can be divided in two parts, 9762101 and 3524, that added together give a 10-th power (9765625 = 5¹⁰).

The spelling of 97621013524 in words is "ninety-seven billion, six hundred twenty-one million, thirteen thousand, five hundred twenty-four".