80078513061338 has 32 divisors (see below), whose sum is σ = 138761721260928. Its totient is φ = 34254221414400.

The previous prime is 80078513061241. The next prime is 80078513061373. The reversal of 80078513061338 is 83316031587008.

It is a happy number.

It is a super-2 number, since 2×80078513061338² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80078513061338.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9157670 + ... + 15621137.

It is an arithmetic number, because the mean of its divisors is an integer number (4336303789404).

Almost surely, 2^{80078513061338} is an apocalyptic number.

80078513061338 is a deficient number, since it is larger than the sum of its proper divisors (58683208199590).

80078513061338 is a wasteful number, since it uses less digits than its factorization.

80078513061338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24787478.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 80078513061338 in words is "eighty trillion, seventy-eight billion, five hundred thirteen million, sixty-one thousand, three hundred thirty-eight".