79061187 has 4 divisors (see below), whose sum is σ = 105414920. Its totient is φ = 52707456.

The previous prime is 79061179. The next prime is 79061209. The reversal of 79061187 is 78116097.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78116097 = 3 ⋅26038699.

It is not a de Polignac number, because 79061187 - 2³ = 79061179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79061287) 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, 13176862 + ... + 13176867.

It is an arithmetic number, because the mean of its divisors is an integer number (26353730).

Almost surely, 2^79061187 is an apocalyptic number.

79061187 is a deficient number, since it is larger than the sum of its proper divisors (26353733).

79061187 is a wasteful number, since it uses less digits than its factorization.

79061187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26353732.

The product of its (nonzero) digits is 21168, while the sum is 39.

The square root of 79061187 is about 8891.6357887624. The cubic root of 79061187 is about 429.1947920278.

The spelling of 79061187 in words is "seventy-nine million, sixty-one thousand, one hundred eighty-seven".