2807086128 has 120 divisors (see below), whose sum is σ = 9202536000. Its totient is φ = 729106560.

The previous prime is 2807086127. The next prime is 2807086147. The reversal of 2807086128 is 8216807082.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 2807086128.

It is not an unprimeable number, because it can be changed into a prime (2807086127) 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, 28378 + ... + 80121.

It is an arithmetic number, because the mean of its divisors is an integer number (76687800).

Almost surely, 2^2807086128 is an apocalyptic number.

2807086128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2807086128 is an abundant number, since it is smaller than the sum of its proper divisors (6395449872).

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

2807086128 is a wasteful number, since it uses less digits than its factorization.

2807086128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108535 (or 108522 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 2807086128 is about 52981.9415272789. The cubic root of 2807086128 is about 1410.6477462443.

The spelling of 2807086128 in words is "two billion, eight hundred seven million, eighty-six thousand, one hundred twenty-eight".