80726851 has 8 divisors (see below), whose sum is σ = 82422800. Its totient is φ = 79043040.

The previous prime is 80726819. The next prime is 80726873. The reversal of 80726851 is 15862708.

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

It is a cyclic number.

It is not a de Polignac number, because 80726851 - 2⁵ = 80726819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80726851.

It is not an unprimeable number, because it can be changed into a prime (80726551) 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, 11080 + ... + 16858.

It is an arithmetic number, because the mean of its divisors is an integer number (10302850).

Almost surely, 2^80726851 is an apocalyptic number.

80726851 is a deficient number, since it is larger than the sum of its proper divisors (1695949).

80726851 is a wasteful number, since it uses less digits than its factorization.

80726851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6069.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 80726851 is about 8984.8122406648. The cubic root of 80726851 is about 432.1879665421.

The spelling of 80726851 in words is "eighty million, seven hundred twenty-six thousand, eight hundred fifty-one".