79257055 has 4 divisors (see below), whose sum is σ = 95108472. Its totient is φ = 63405640.

The previous prime is 79256963. The next prime is 79257089. The reversal of 79257055 is 55075297.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 79257055 - 2⁷ = 79256927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79256999 and 79257017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7925701 + ... + 7925710.

It is an arithmetic number, because the mean of its divisors is an integer number (23777118).

Almost surely, 2^79257055 is an apocalyptic number.

79257055 is a deficient number, since it is larger than the sum of its proper divisors (15851417).

79257055 is a wasteful number, since it uses less digits than its factorization.

79257055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15851416.

The product of its (nonzero) digits is 110250, while the sum is 40.

The square root of 79257055 is about 8902.6431468413. The cubic root of 79257055 is about 429.5489320812.

The spelling of 79257055 in words is "seventy-nine million, two hundred fifty-seven thousand, fifty-five".