97386436624 has 15 divisors (see below), whose sum is σ = 188688639517. Its totient is φ = 48692594176.

The previous prime is 97386436601. The next prime is 97386436627. The reversal of 97386436624 is 42663468379.

It is a happy number.

The square root of 97386436624 is 312068.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 22467600 + 97363969024 = 4740^2 + 312032^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97386436627) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1209264 + ... + 1287280.

Almost surely, 2^97386436624 is an apocalyptic number.

97386436624 is the 312068-th square number.

It is an amenable number.

97386436624 is a deficient number, since it is larger than the sum of its proper divisors (91302202893).

97386436624 is an frugal number, since it uses more digits than its factorization.

97386436624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156042 (or 78019 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 58.

The spelling of 97386436624 in words is "ninety-seven billion, three hundred eighty-six million, four hundred thirty-six thousand, six hundred twenty-four".