80252477782 has 32 divisors (see below), whose sum is σ = 126040357152. Its totient is φ = 38282160384.

The previous prime is 80252477741. The next prime is 80252477783. The reversal of 80252477782 is 28777425208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80252477783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7811413 + ... + 7821679.

It is an arithmetic number, because the mean of its divisors is an integer number (3938761161).

Almost surely, 2^80252477782 is an apocalyptic number.

80252477782 is a deficient number, since it is larger than the sum of its proper divisors (45787879370).

80252477782 is a wasteful number, since it uses less digits than its factorization.

80252477782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12352.

The product of its (nonzero) digits is 3512320, while the sum is 52.

The spelling of 80252477782 in words is "eighty billion, two hundred fifty-two million, four hundred seventy-seven thousand, seven hundred eighty-two".