93079297921 has 9 divisors (see below), whose sum is σ = 94701966433. Its totient is φ = 91483987540.

The previous prime is 93079297853. The next prime is 93079297933. The reversal of 93079297921 is 12979297039.

It is a happy number.

The square root of 93079297921 is 305089.

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

It is not a de Polignac number, because 93079297921 - 2¹¹ = 93079295873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93079297981) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17997666 + ... + 18002836.

Almost surely, 2^93079297921 is an apocalyptic number.

93079297921 is the 305089-th square number.

93079297921 is the 152545-th centered octagonal number.

It is an amenable number.

93079297921 is a deficient number, since it is larger than the sum of its proper divisors (1622668512).

93079297921 is an frugal number, since it uses more digits than its factorization.

93079297921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10460 (or 5230 counting only the distinct ones).

The product of its (nonzero) digits is 3857868, while the sum is 58.

The spelling of 93079297921 in words is "ninety-three billion, seventy-nine million, two hundred ninety-seven thousand, nine hundred twenty-one".