80090902505672 has 16 divisors (see below), whose sum is σ = 150175088901900. Its totient is φ = 40044212131840.

The previous prime is 80090902505657. The next prime is 80090902505711. The reversal of 80090902505672 is 27650520909008.

It can be written as a sum of positive squares in 2 ways, for example, as 77095670011396 + 2995232494276 = 8780414^2 + 1730674^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154615397 + ... + 155132532.

Almost surely, 2^{80090902505672} is an apocalyptic number.

It is an amenable number.

80090902505672 is a deficient number, since it is larger than the sum of its proper divisors (70084186396228).

80090902505672 is a wasteful number, since it uses less digits than its factorization.

80090902505672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309780256 (or 309780252 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 80090902505672 in words is "eighty trillion, ninety billion, nine hundred two million, five hundred five thousand, six hundred seventy-two".