80925851 has 4 divisors (see below), whose sum is σ = 81668400. Its totient is φ = 80183304.

The previous prime is 80925821. The next prime is 80925857. The reversal of 80925851 is 15852908.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80925851 - 2²⁶ = 13816987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80925857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371111 + ... + 371328.

It is an arithmetic number, because the mean of its divisors is an integer number (20417100).

Almost surely, 2^80925851 is an apocalyptic number.

80925851 is a deficient number, since it is larger than the sum of its proper divisors (742549).

80925851 is a wasteful number, since it uses less digits than its factorization.

80925851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742548.

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 80925851 is about 8995.8796679369. The cubic root of 80925851 is about 432.5428044107.

The spelling of 80925851 in words is "eighty million, nine hundred twenty-five thousand, eight hundred fifty-one".