861470896 has 80 divisors (see below), whose sum is σ = 2002871808. Its totient is φ = 353721600.

The previous prime is 861470893. The next prime is 861470899. The reversal of 861470896 is 698074168.

It is an interprime number because it is at equal distance from previous prime (861470893) and next prime (861470899).

It is not an unprimeable number, because it can be changed into a prime (861470891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103531 + ... + 111541.

Almost surely, 2^861470896 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 861470896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1001435904).

861470896 is an abundant number, since it is smaller than the sum of its proper divisors (1141400912).

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

861470896 is a wasteful number, since it uses less digits than its factorization.

861470896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8090 (or 8084 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 861470896 is about 29350.8244517935. The cubic root of 861470896 is about 951.5103936770.

The spelling of 861470896 in words is "eight hundred sixty-one million, four hundred seventy thousand, eight hundred ninety-six".