2676215864 has 72 divisors (see below), whose sum is σ = 5952399480. Its totient is φ = 1104973920.

The previous prime is 2676215813. The next prime is 2676215881. The reversal of 2676215864 is 4685126762.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12000857 + ... + 12001079.

It is an arithmetic number, because the mean of its divisors is an integer number (82672215).

Almost surely, 2^2676215864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2676215864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2976199740).

2676215864 is an abundant number, since it is smaller than the sum of its proper divisors (3276183616).

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

2676215864 is an equidigital number, since it uses as much as digits as its factorization.

2676215864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 263 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The square root of 2676215864 is about 51732.1550295365. The cubic root of 2676215864 is about 1388.3758377290.

The spelling of 2676215864 in words is "two billion, six hundred seventy-six million, two hundred fifteen thousand, eight hundred sixty-four".