2780676624 has 160 divisors (see below), whose sum is σ = 8018486784. Its totient is φ = 823306240.

The previous prime is 2780676601. The next prime is 2780676637. The reversal of 2780676624 is 4266760872.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4688872 + ... + 4689464.

Almost surely, 2^2780676624 is an apocalyptic number.

2780676624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2780676624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4009243392).

2780676624 is an abundant number, since it is smaller than the sum of its proper divisors (5237810160).

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

2780676624 is a wasteful number, since it uses less digits than its factorization.

2780676624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805 (or 799 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The square root of 2780676624 is about 52732.1213682894. The cubic root of 2780676624 is about 1406.2099351509.

The spelling of 2780676624 in words is "two billion, seven hundred eighty million, six hundred seventy-six thousand, six hundred twenty-four".