3116888820 has 72 divisors (see below), whose sum is σ = 9952182240. Its totient is φ = 787423680.

The previous prime is 3116888809. The next prime is 3116888821. The reversal of 3116888820 is 288886113.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3116888821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 452266 + ... + 459105.

Almost surely, 2^3116888820 is an apocalyptic number.

3116888820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3116888820 is an abundant number, since it is smaller than the sum of its proper divisors (6835293420).

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

3116888820 is a wasteful number, since it uses less digits than its factorization.

3116888820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911405 (or 911400 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The square root of 3116888820 is about 55829.1037004894. The cubic root of 3116888820 is about 1460.7428539698.

The spelling of 3116888820 in words is "three billion, one hundred sixteen million, eight hundred eighty-eight thousand, eight hundred twenty".