77140875 has 32 divisors (see below), whose sum is σ = 146704896. Its totient is φ = 35263200.

The previous prime is 77140859. The next prime is 77140897. The reversal of 77140875 is 57804177.

It is not a de Polignac number, because 77140875 - 2⁴ = 77140859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12069 + ... + 17318.

It is an arithmetic number, because the mean of its divisors is an integer number (4584528).

Almost surely, 2^77140875 is an apocalyptic number.

77140875 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

77140875 is a deficient number, since it is larger than the sum of its proper divisors (69564021).

77140875 is a wasteful number, since it uses less digits than its factorization.

77140875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29412 (or 29402 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 39.

The square root of 77140875 is about 8782.9878173660. The cubic root of 77140875 is about 425.6913775608.

The spelling of 77140875 in words is "seventy-seven million, one hundred forty thousand, eight hundred seventy-five".