97391429776 has 45 divisors (see below), whose sum is σ = 191990091033. Its totient is φ = 47859975360.

The previous prime is 97391429749. The next prime is 97391429789. The reversal of 97391429776 is 67792419379.

The square root of 97391429776 is 312076.

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., 3166988176 + 94224441600 = 56276^2 + 306960^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 76145905 + ... + 76147183.

Almost surely, 2^97391429776 is an apocalyptic number.

97391429776 is the 312076-th square number.

It is an amenable number.

97391429776 is a deficient number, since it is larger than the sum of its proper divisors (94598661257).

97391429776 is an frugal number, since it uses more digits than its factorization.

97391429776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688 (or 1342 counting only the distinct ones).

The product of its digits is 36006768, while the sum is 64.

Multiplying 97391429776 by its sum of digits (64), we get a square (6233051505664 = 2496608²).

The spelling of 97391429776 in words is "ninety-seven billion, three hundred ninety-one million, four hundred twenty-nine thousand, seven hundred seventy-six".