860861294974 has 4 divisors (see below), whose sum is σ = 1291291942464. Its totient is φ = 430430647486.

The previous prime is 860861294947. The next prime is 860861294987. The reversal of 860861294974 is 479492168068.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215215323742 + ... + 215215323745.

It is an arithmetic number, because the mean of its divisors is an integer number (322822985616).

Almost surely, 2^860861294974 is an apocalyptic number.

860861294974 is a deficient number, since it is larger than the sum of its proper divisors (430430647490).

860861294974 is a wasteful number, since it uses less digits than its factorization.

860861294974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430430647489.

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 860861294974 in words is "eight hundred sixty billion, eight hundred sixty-one million, two hundred ninety-four thousand, nine hundred seventy-four".