80552778057 has 12 divisors (see below), whose sum is σ = 118326115440. Its totient is φ = 52791650808.

The previous prime is 80552778013. The next prime is 80552778091. The reversal of 80552778057 is 75087725508.

80552778057 is a `hidden beast` number, since 8 + 0 + 552 + 7 + 7 + 80 + 5 + 7 = 666.

It is not a de Polignac number, because 80552778057 - 2²³ = 80544389449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80552777994 and 80552778012.

It is not an unprimeable number, because it can be changed into a prime (80552778857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75849543 + ... + 75850604.

It is an arithmetic number, because the mean of its divisors is an integer number (9860509620).

Almost surely, 2^80552778057 is an apocalyptic number.

It is an amenable number.

80552778057 is a deficient number, since it is larger than the sum of its proper divisors (37773337383).

80552778057 is a wasteful number, since it uses less digits than its factorization.

80552778057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151700212 (or 151700209 counting only the distinct ones).

The product of its (nonzero) digits is 5488000, while the sum is 54.

The spelling of 80552778057 in words is "eighty billion, five hundred fifty-two million, seven hundred seventy-eight thousand, fifty-seven".