79102086 has 16 divisors (see below), whose sum is σ = 180804864. Its totient is φ = 22600584.

The previous prime is 79102061. The next prime is 79102087. The reversal of 79102086 is 68020197.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79102087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 941650 + ... + 941733.

It is an arithmetic number, because the mean of its divisors is an integer number (11300304).

Almost surely, 2^79102086 is an apocalyptic number.

79102086 is an abundant number, since it is smaller than the sum of its proper divisors (101702778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79102086 is a wasteful number, since it uses less digits than its factorization.

79102086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883395.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 79102086 is about 8893.9353494390. The cubic root of 79102086 is about 429.2687879309.

The spelling of 79102086 in words is "seventy-nine million, one hundred two thousand, eighty-six".