97279555 has 8 divisors (see below), whose sum is σ = 117479952. Its totient is φ = 77327328.

The previous prime is 97279537. The next prime is 97279561. The reversal of 97279555 is 55597279.

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

It is a cyclic number.

It is not a de Polignac number, because 97279555 - 2⁹ = 97279043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97279499 and 97279508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61177 + ... + 62746.

It is an arithmetic number, because the mean of its divisors is an integer number (14684994).

Almost surely, 2^97279555 is an apocalyptic number.

97279555 is a deficient number, since it is larger than the sum of its proper divisors (20200397).

97279555 is a wasteful number, since it uses less digits than its factorization.

97279555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124085.

The product of its digits is 992250, while the sum is 49.

The square root of 97279555 is about 9863.0398458082. The cubic root of 97279555 is about 459.9110650373.

The spelling of 97279555 in words is "ninety-seven million, two hundred seventy-nine thousand, five hundred fifty-five".