861014976 has 56 divisors (see below), whose sum is σ = 2293467600. Its totient is φ = 285069312.

The previous prime is 861014969. The next prime is 861014981. The reversal of 861014976 is 679410168.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13560 + ... + 43656.

Almost surely, 2^861014976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 861014976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1146733800).

861014976 is an abundant number, since it is smaller than the sum of its proper divisors (1432452624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

861014976 is a wasteful number, since it uses less digits than its factorization.

861014976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30261 (or 30251 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 861014976 is about 29343.0566914901. The cubic root of 861014976 is about 951.3425067243.

The spelling of 861014976 in words is "eight hundred sixty-one million, fourteen thousand, nine hundred seventy-six".