80819037 has 48 divisors (see below), whose sum is σ = 134447040. Its totient is φ = 46342656.

The previous prime is 80819021. The next prime is 80819093. The reversal of 80819037 is 73091808.

It is not a de Polignac number, because 80819037 - 2⁴ = 80819021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80818992 and 80819010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80811037) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 355918 + ... + 356144.

It is an arithmetic number, because the mean of its divisors is an integer number (2800980).

Almost surely, 2^80819037 is an apocalyptic number.

It is an amenable number.

80819037 is a deficient number, since it is larger than the sum of its proper divisors (53628003).

80819037 is a wasteful number, since it uses less digits than its factorization.

80819037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 80819037 is about 8989.9408785598. The cubic root of 80819037 is about 432.3524162606.

The spelling of 80819037 in words is "eighty million, eight hundred nineteen thousand, thirty-seven".