79132078081 has 64 divisors (see below), whose sum is σ = 97983820800. Its totient is φ = 63798658560.

The previous prime is 79132078019. The next prime is 79132078087. The reversal of 79132078081 is 18087023197.

It is not a de Polignac number, because 79132078081 - 2¹³ = 79132069889 is a prime.

It is a super-2 number, since 2×79132078081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79132078087) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47755405 + ... + 47757061.

It is an arithmetic number, because the mean of its divisors is an integer number (1530997200).

Almost surely, 2^79132078081 is an apocalyptic number.

79132078081 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

79132078081 is a deficient number, since it is larger than the sum of its proper divisors (18851742719).

79132078081 is a wasteful number, since it uses less digits than its factorization.

79132078081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839 (or 1825 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 46.

The spelling of 79132078081 in words is "seventy-nine billion, one hundred thirty-two million, seventy-eight thousand, eighty-one".