2868820080 has 80 divisors (see below), whose sum is σ = 10163825664. Its totient is φ = 655729920.

The previous prime is 2868820067. The next prime is 2868820081. The reversal of 2868820080 is 800288682.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×2868820080² = 16460257302822412800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2868820081) 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, 852136 + ... + 855495.

Almost surely, 2^2868820080 is an apocalyptic number.

2868820080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2868820080 is an abundant number, since it is smaller than the sum of its proper divisors (7295005584).

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

2868820080 is a wasteful number, since it uses less digits than its factorization.

2868820080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707654 (or 1707648 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The square root of 2868820080 is about 53561.3674209313. The cubic root of 2868820080 is about 1420.9139259780.

The spelling of 2868820080 in words is "two billion, eight hundred sixty-eight million, eight hundred twenty thousand, eighty".