375980861 has 4 divisors (see below), whose sum is σ = 376186272. Its totient is φ = 375775452.

The previous prime is 375980831. The next prime is 375980867. The reversal of 375980861 is 168089573.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-375980861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (375980867) 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, 99935 + ... + 103628.

It is an arithmetic number, because the mean of its divisors is an integer number (94046568).

Almost surely, 2^375980861 is an apocalyptic number.

It is an amenable number.

375980861 is a deficient number, since it is larger than the sum of its proper divisors (205411).

375980861 is a wasteful number, since it uses less digits than its factorization.

375980861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205410.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 375980861 is about 19390.2259141043. The cubic root of 375980861 is about 721.7529694862.

The spelling of 375980861 in words is "three hundred seventy-five million, nine hundred eighty thousand, eight hundred sixty-one".