79427667 has 12 divisors (see below), whose sum is σ = 116406920. Its totient is φ = 48137760.

The previous prime is 79427653. The next prime is 79427669. The reversal of 79427667 is 76672497.

It is a happy number.

It is not a de Polignac number, because 79427667 - 2⁷ = 79427539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79427669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109042 + ... + 109767.

Almost surely, 2^79427667 is an apocalyptic number.

79427667 is a deficient number, since it is larger than the sum of its proper divisors (36979253).

79427667 is a wasteful number, since it uses less digits than its factorization.

79427667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218834 (or 218823 counting only the distinct ones).

The product of its digits is 889056, while the sum is 48.

The square root of 79427667 is about 8912.2200937813. The cubic root of 79427667 is about 429.8569327545.

The spelling of 79427667 in words is "seventy-nine million, four hundred twenty-seven thousand, six hundred sixty-seven".