80888057 has 4 divisors (see below), whose sum is σ = 85646196. Its totient is φ = 76129920.

The previous prime is 80888051. The next prime is 80888069. The reversal of 80888057 is 75088808.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45414121 + 35473936 = 6739^2 + 5956^2 .

It is a cyclic number.

It is not a de Polignac number, because 80888057 - 2⁸ = 80887801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80887999 and 80888017.

It is not an unprimeable number, because it can be changed into a prime (80888051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2379044 + ... + 2379077.

It is an arithmetic number, because the mean of its divisors is an integer number (21411549).

Almost surely, 2^80888057 is an apocalyptic number.

It is an amenable number.

80888057 is a deficient number, since it is larger than the sum of its proper divisors (4758139).

80888057 is a wasteful number, since it uses less digits than its factorization.

80888057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4758138.

The product of its (nonzero) digits is 143360, while the sum is 44.

The square root of 80888057 is about 8993.7787942555. The cubic root of 80888057 is about 432.4754585293.

The spelling of 80888057 in words is "eighty million, eight hundred eighty-eight thousand, fifty-seven".