80872797 has 16 divisors (see below), whose sum is σ = 113816000. Its totient is φ = 50937984.

The previous prime is 80872789. The next prime is 80872801. The reversal of 80872797 is 79727808.

It is not a de Polignac number, because 80872797 - 2³ = 80872789 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80872717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21579 + ... + 25047.

It is an arithmetic number, because the mean of its divisors is an integer number (7113500).

Almost surely, 2^80872797 is an apocalyptic number.

It is an amenable number.

80872797 is a deficient number, since it is larger than the sum of its proper divisors (32943203).

80872797 is a wasteful number, since it uses less digits than its factorization.

80872797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900.

The product of its (nonzero) digits is 395136, while the sum is 48.

The square root of 80872797 is about 8992.9303900342. The cubic root of 80872797 is about 432.4482604863.

The spelling of 80872797 in words is "eighty million, eight hundred seventy-two thousand, seven hundred ninety-seven".