79993011 has 16 divisors (see below), whose sum is σ = 127194624. Its totient is φ = 43722624.

The previous prime is 79993003. The next prime is 79993019. The reversal of 79993011 is 11039997.

It is an interprime number because it is at equal distance from previous prime (79993003) and next prime (79993019).

It is not a de Polignac number, because 79993011 - 2³ = 79993003 is a prime.

It is a super-2 number, since 2×79993011² = 12797763617692242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79993019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82326 + ... + 83291.

It is an arithmetic number, because the mean of its divisors is an integer number (7949664).

Almost surely, 2^79993011 is an apocalyptic number.

79993011 is a deficient number, since it is larger than the sum of its proper divisors (47201613).

79993011 is a wasteful number, since it uses less digits than its factorization.

79993011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165650.

The product of its (nonzero) digits is 15309, while the sum is 39.

The square root of 79993011 is about 8943.8812044884. The cubic root of 79993011 is about 430.8743898542.

The spelling of 79993011 in words is "seventy-nine million, nine hundred ninety-three thousand, eleven".