80078626992 has 320 divisors, whose sum is σ = 262297211904. Its totient is φ = 20485509120.

The previous prime is 80078626909. The next prime is 80078627003. The reversal of 80078626992 is 29962687008.

It is a super-3 number, since 3×80078626992³ (a number of 34 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 75474142 + ... + 75475202.

Almost surely, 2^80078626992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80078626992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131148605952).

80078626992 is an abundant number, since it is smaller than the sum of its proper divisors (182218584912).

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

80078626992 is a wasteful number, since it uses less digits than its factorization.

80078626992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596 (or 1590 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 80078626992 in words is "eighty billion, seventy-eight million, six hundred twenty-six thousand, nine hundred ninety-two".