80826925921 has 8 divisors (see below), whose sum is σ = 95353424384. Its totient is φ = 67045376160.

The previous prime is 80826925919. The next prime is 80826925957. The reversal of 80826925921 is 12952962808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80826925921 - 2¹ = 80826925919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80826920921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186236940 + ... + 186237373.

It is an arithmetic number, because the mean of its divisors is an integer number (11919178048).

Almost surely, 2^80826925921 is an apocalyptic number.

It is an amenable number.

80826925921 is a deficient number, since it is larger than the sum of its proper divisors (14526498463).

80826925921 is a wasteful number, since it uses less digits than its factorization.

80826925921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372474351.

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 80826925921 in words is "eighty billion, eight hundred twenty-six million, nine hundred twenty-five thousand, nine hundred twenty-one".