80906753770 has 32 divisors (see below), whose sum is σ = 154214592336. Its totient is φ = 30455884800.

The previous prime is 80906753747. The next prime is 80906753791. The reversal of 80906753770 is 7735760908.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 63052716609 + 17854037161 = 251103^2 + 133619^2 .

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, 2263840 + ... + 2299300.

Almost surely, 2^80906753770 is an apocalyptic number.

80906753770 is a deficient number, since it is larger than the sum of its proper divisors (73307838566).

80906753770 is a wasteful number, since it uses less digits than its factorization.

80906753770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48906.

The product of its (nonzero) digits is 2222640, while the sum is 52.

The spelling of 80906753770 in words is "eighty billion, nine hundred six million, seven hundred fifty-three thousand, seven hundred seventy".