79455247274 has 8 divisors (see below), whose sum is σ = 128350784100. Its totient is φ = 36671652576.

The previous prime is 79455247273. The next prime is 79455247303. The reversal of 79455247274 is 47274255497.

It can be written as a sum of positive squares in 2 ways, for example, as 79402786225 + 52461049 = 281785^2 + 7243^2 .

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

It is not an unprimeable number, because it can be changed into a prime (79455247273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1527985499 + ... + 1527985550.

Almost surely, 2^79455247274 is an apocalyptic number.

79455247274 is a deficient number, since it is larger than the sum of its proper divisors (48895536826).

79455247274 is a wasteful number, since it uses less digits than its factorization.

79455247274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055971064.

The product of its digits is 19756800, while the sum is 56.

The spelling of 79455247274 in words is "seventy-nine billion, four hundred fifty-five million, two hundred forty-seven thousand, two hundred seventy-four".