875977081 has 4 divisors (see below), whose sum is σ = 1001116672. Its totient is φ = 750837492.

The previous prime is 875977073. The next prime is 875977099. The reversal of 875977081 is 180779578.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 875977081 - 2³ = 875977073 is a prime.

It is a super-2 number, since 2×875977081² = 1534671692874561122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (875977021) 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, 62569785 + ... + 62569798.

It is an arithmetic number, because the mean of its divisors is an integer number (250279168).

Almost surely, 2^875977081 is an apocalyptic number.

It is an amenable number.

875977081 is a deficient number, since it is larger than the sum of its proper divisors (125139591).

875977081 is a wasteful number, since it uses less digits than its factorization.

875977081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125139590.

The product of its (nonzero) digits is 987840, while the sum is 52.

The square root of 875977081 is about 29596.9099907406. The cubic root of 875977081 is about 956.8214758490.

The spelling of 875977081 in words is "eight hundred seventy-five million, nine hundred seventy-seven thousand, eighty-one".