80125816 has 8 divisors (see below), whose sum is σ = 150235920. Its totient is φ = 40062904.

The previous prime is 80125807. The next prime is 80125817. The reversal of 80125816 is 61852108.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80125817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5007856 + ... + 5007871.

It is an arithmetic number, because the mean of its divisors is an integer number (18779490).

Almost surely, 2^80125816 is an apocalyptic number.

It is an amenable number.

80125816 is a deficient number, since it is larger than the sum of its proper divisors (70110104).

80125816 is a wasteful number, since it uses less digits than its factorization.

80125816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10015733 (or 10015729 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 80125816 is about 8951.3024750591. The cubic root of 80125816 is about 431.1127049889.

The spelling of 80125816 in words is "eighty million, one hundred twenty-five thousand, eight hundred sixteen".