7868364020 has 48 divisors (see below), whose sum is σ = 18185283648. Its totient is φ = 2835893760.

The previous prime is 7868364011. The next prime is 7868364041. The reversal of 7868364020 is 204638687.

It is a super-2 number, since 2×7868364020² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

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, 133394 + ... + 183113.

It is an arithmetic number, because the mean of its divisors is an integer number (378860076).

Almost surely, 2^7868364020 is an apocalyptic number.

It is an amenable number.

7868364020 is an abundant number, since it is smaller than the sum of its proper divisors (10316919628).

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

7868364020 is a wasteful number, since it uses less digits than its factorization.

7868364020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316640 (or 316638 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 7868364020 is about 88703.7993549318. The cubic root of 7868364020 is about 1988.9696121099.

The spelling of 7868364020 in words is "seven billion, eight hundred sixty-eight million, three hundred sixty-four thousand, twenty".