80072803655 has 16 divisors (see below), whose sum is σ = 103553746464. Its totient is φ = 59087802240.

The previous prime is 80072803609. The next prime is 80072803663. The reversal of 80072803655 is 55630827008.

It is not a de Polignac number, because 80072803655 - 2²⁰ = 80071755079 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 356249 + ... + 535778.

It is an arithmetic number, because the mean of its divisors is an integer number (6472109154).

Almost surely, 2^80072803655 is an apocalyptic number.

80072803655 is a deficient number, since it is larger than the sum of its proper divisors (23480942809).

80072803655 is a wasteful number, since it uses less digits than its factorization.

80072803655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893426.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 80072803655 in words is "eighty billion, seventy-two million, eight hundred three thousand, six hundred fifty-five".