2860690860 has 72 divisors (see below), whose sum is σ = 8690507280. Its totient is φ = 761701248.

The previous prime is 2860690843. The next prime is 2860690867. The reversal of 2860690860 is 680960682.

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

It is not an unprimeable number, because it can be changed into a prime (2860690867) 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, 111306 + ... + 134574.

It is an arithmetic number, because the mean of its divisors is an integer number (120701490).

Almost surely, 2^2860690860 is an apocalyptic number.

2860690860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2860690860 is an abundant number, since it is smaller than the sum of its proper divisors (5829816420).

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

2860690860 is a wasteful number, since it uses less digits than its factorization.

2860690860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23967 (or 23962 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 2860690860 is about 53485.4266132374. The cubic root of 2860690860 is about 1419.5705340145.

The spelling of 2860690860 in words is "two billion, eight hundred sixty million, six hundred ninety thousand, eight hundred sixty".