79631011 has 4 divisors (see below), whose sum is σ = 79728592. Its totient is φ = 79533432.

The previous prime is 79630997. The next prime is 79631029. The reversal of 79631011 is 11013697.

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

It is a cyclic number.

It is not a de Polignac number, because 79631011 - 2¹¹ = 79628963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79631081) 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, 47556 + ... + 49201.

It is an arithmetic number, because the mean of its divisors is an integer number (19932148).

Almost surely, 2^79631011 is an apocalyptic number.

79631011 is a deficient number, since it is larger than the sum of its proper divisors (97581).

79631011 is an equidigital number, since it uses as much as digits as its factorization.

79631011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97580.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 79631011 is about 8923.6209578848. The cubic root of 79631011 is about 430.2234479547.

The spelling of 79631011 in words is "seventy-nine million, six hundred thirty-one thousand, eleven".