79536463546 has 32 divisors (see below), whose sum is σ = 123877434240. Its totient is φ = 38254472256.

The previous prime is 79536463543. The next prime is 79536463547. The reversal of 79536463546 is 64536463597.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is not an unprimeable number, because it can be changed into a prime (79536463541) 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 15 ways as a sum of consecutive naturals, for example, 19748785 + ... + 19752811.

It is an arithmetic number, because the mean of its divisors is an integer number (3871169820).

Almost surely, 2^79536463546 is an apocalyptic number.

79536463546 is a deficient number, since it is larger than the sum of its proper divisors (44340970694).

79536463546 is a wasteful number, since it uses less digits than its factorization.

79536463546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5238.

The product of its digits is 48988800, while the sum is 58.

The spelling of 79536463546 in words is "seventy-nine billion, five hundred thirty-six million, four hundred sixty-three thousand, five hundred forty-six".