79156851046 has 128 divisors (see below), whose sum is σ = 151575459840. Its totient is φ = 30356726400.

The previous prime is 79156851041. The next prime is 79156851073. The reversal of 79156851046 is 64015865197.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 79156850984 and 79156851002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79156851041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 146315536 + ... + 146316076.

It is an arithmetic number, because the mean of its divisors is an integer number (1184183280).

Almost surely, 2^79156851046 is an apocalyptic number.

79156851046 is a deficient number, since it is larger than the sum of its proper divisors (72418608794).

79156851046 is a wasteful number, since it uses less digits than its factorization.

79156851046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 79156851046 in words is "seventy-nine billion, one hundred fifty-six million, eight hundred fifty-one thousand, forty-six".