80798156 has 12 divisors (see below), whose sum is σ = 141464400. Its totient is φ = 40379760.

The previous prime is 80798143. The next prime is 80798173. The reversal of 80798156 is 65189708.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8945 + ... + 15543.

It is an arithmetic number, because the mean of its divisors is an integer number (11788700).

Almost surely, 2^80798156 is an apocalyptic number.

It is an amenable number.

80798156 is a deficient number, since it is larger than the sum of its proper divisors (60666244).

80798156 is a wasteful number, since it uses less digits than its factorization.

80798156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9664 (or 9662 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 80798156 is about 8988.7794499587. The cubic root of 80798156 is about 432.3151778047.

The spelling of 80798156 in words is "eighty million, seven hundred ninety-eight thousand, one hundred fifty-six".