79894086 has 16 divisors (see below), whose sum is σ = 163504704. Its totient is φ = 26011944.

The previous prime is 79894081. The next prime is 79894091. The reversal of 79894086 is 68049897.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (79894081) and next prime (79894091).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79894081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154576 + ... + 155091.

It is an arithmetic number, because the mean of its divisors is an integer number (10219044).

Almost surely, 2^79894086 is an apocalyptic number.

79894086 is an abundant number, since it is smaller than the sum of its proper divisors (83610618).

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

79894086 is a wasteful number, since it uses less digits than its factorization.

79894086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309715.

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 79894086 is about 8938.3491764419. The cubic root of 79894086 is about 430.6967000316.

The spelling of 79894086 in words is "seventy-nine million, eight hundred ninety-four thousand, eighty-six".