80190524778 has 192 divisors, whose sum is σ = 207241493760. Its totient is φ = 20490624000.

The previous prime is 80190524753. The next prime is 80190524801. The reversal of 80190524778 is 87742509108.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 80190524778.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23660308 + ... + 23663696.

It is an arithmetic number, because the mean of its divisors is an integer number (1079382780).

Almost surely, 2^80190524778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80190524778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103620746880).

80190524778 is an abundant number, since it is smaller than the sum of its proper divisors (127050968982).

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

80190524778 is a wasteful number, since it uses less digits than its factorization.

80190524778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3613 (or 3606 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 51.

The spelling of 80190524778 in words is "eighty billion, one hundred ninety million, five hundred twenty-four thousand, seven hundred seventy-eight".