80877256 has 16 divisors (see below), whose sum is σ = 155344140. Its totient is φ = 39452160.

The previous prime is 80877253. The next prime is 80877257. The reversal of 80877256 is 65277808.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 79816356 + 1060900 = 8934^2 + 1030^2 .

It is a super-2 number, since 2×80877256² = 13082261076179072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80877253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122961 + ... + 123616.

Almost surely, 2^80877256 is an apocalyptic number.

It is an amenable number.

80877256 is a deficient number, since it is larger than the sum of its proper divisors (74466884).

80877256 is a wasteful number, since it uses less digits than its factorization.

80877256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246624 (or 246620 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 80877256 is about 8993.1783035810. The cubic root of 80877256 is about 432.4562081581.

The spelling of 80877256 in words is "eighty million, eight hundred seventy-seven thousand, two hundred fifty-six".