80755087782 has 32 divisors (see below), whose sum is σ = 170025148800. Its totient is φ = 25499441088.

The previous prime is 80755087747. The next prime is 80755087799. The reversal of 80755087782 is 28778055708.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

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, 1809594 + ... + 1853682.

It is an arithmetic number, because the mean of its divisors is an integer number (5313285900).

Almost surely, 2^80755087782 is an apocalyptic number.

80755087782 is an abundant number, since it is smaller than the sum of its proper divisors (89270061018).

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

80755087782 is a wasteful number, since it uses less digits than its factorization.

80755087782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60180.

The product of its (nonzero) digits is 8780800, while the sum is 57.

The spelling of 80755087782 in words is "eighty billion, seven hundred fifty-five million, eighty-seven thousand, seven hundred eighty-two".