862477968 has 80 divisors (see below), whose sum is σ = 2489965632. Its totient is φ = 254976000.

The previous prime is 862477921. The next prime is 862477969. The reversal of 862477968 is 869774268.

It is not an unprimeable number, because it can be changed into a prime (862477969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1728 + ... + 41568.

Almost surely, 2^862477968 is an apocalyptic number.

862477968 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 862477968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244982816).

862477968 is an abundant number, since it is smaller than the sum of its proper divisors (1627487664).

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

862477968 is a wasteful number, since it uses less digits than its factorization.

862477968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39904 (or 39898 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 57.

The square root of 862477968 is about 29367.9752111037. The cubic root of 862477968 is about 951.8810257836.

The spelling of 862477968 in words is "eight hundred sixty-two million, four hundred seventy-seven thousand, nine hundred sixty-eight".