863977152 has 112 divisors (see below), whose sum is σ = 2400848640. Its totient is φ = 273681408.

The previous prime is 863977097. The next prime is 863977181. The reversal of 863977152 is 251779368.

It is a super-2 number, since 2×863977152² = 1492913038356062208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789918 + ... + 791010.

Almost surely, 2^863977152 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 863977152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1200424320).

863977152 is an abundant number, since it is smaller than the sum of its proper divisors (1536871488).

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

863977152 is a wasteful number, since it uses less digits than its factorization.

863977152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310 (or 1300 counting only the distinct ones).

The product of its digits is 635040, while the sum is 48.

The square root of 863977152 is about 29393.4882584562. The cubic root of 863977152 is about 952.4322355191.

The spelling of 863977152 in words is "eight hundred sixty-three million, nine hundred seventy-seven thousand, one hundred fifty-two".