80470719765 has 12 divisors (see below), whose sum is σ = 139482581004. Its totient is φ = 42917717184.

The previous prime is 80470719713. The next prime is 80470719793. The reversal of 80470719765 is 56791707408.

80470719765 is a `hidden beast` number, since 80 + 470 + 7 + 1 + 97 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 29301565329 + 51169154436 = 171177^2 + 226206^2 .

It is not a de Polignac number, because 80470719765 - 2⁶ = 80470719701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 894119064 + ... + 894119153.

It is an arithmetic number, because the mean of its divisors is an integer number (11623548417).

Almost surely, 2^80470719765 is an apocalyptic number.

It is an amenable number.

80470719765 is a deficient number, since it is larger than the sum of its proper divisors (59011861239).

80470719765 is a wasteful number, since it uses less digits than its factorization.

80470719765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788238228 (or 1788238225 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The spelling of 80470719765 in words is "eighty billion, four hundred seventy million, seven hundred nineteen thousand, seven hundred sixty-five".