80870792 has 32 divisors (see below), whose sum is σ = 159845400. Its totient is φ = 38298624.

The previous prime is 80870791. The next prime is 80870813. The reversal of 80870792 is 29707808.

It can be written as a sum of positive squares in 4 ways, for example, as 80389156 + 481636 = 8966^2 + 694^2 .

It is not an unprimeable number, because it can be changed into a prime (80870791) 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, 9008 + ... + 15584.

Almost surely, 2^80870792 is an apocalyptic number.

It is an amenable number.

80870792 is a deficient number, since it is larger than the sum of its proper divisors (78974608).

80870792 is a wasteful number, since it uses less digits than its factorization.

80870792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665 (or 6661 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 80870792 is about 8992.8189128882. The cubic root of 80870792 is about 432.4446867014. Note that the first 3 decimals are identical.

The spelling of 80870792 in words is "eighty million, eight hundred seventy thousand, seven hundred ninety-two".