3380778756 has 48 divisors (see below), whose sum is σ = 9226302400. Its totient is φ = 1067613696.

The previous prime is 3380778719. The next prime is 3380778767. The reversal of 3380778756 is 6578770833.

It is a super-2 number, since 2×3380778756² = 22859329994041815072, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 821725 + ... + 825828.

Almost surely, 2^3380778756 is an apocalyptic number.

3380778756 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3380778756 is an abundant number, since it is smaller than the sum of its proper divisors (5845523644).

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

3380778756 is a wasteful number, since it uses less digits than its factorization.

3380778756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647585 (or 1647577 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The square root of 3380778756 is about 58144.4645344679. The cubic root of 3380778756 is about 1500.8556238458.

The spelling of 3380778756 in words is "three billion, three hundred eighty million, seven hundred seventy-eight thousand, seven hundred fifty-six".