3133479978 has 40 divisors (see below), whose sum is σ = 7025082372. Its totient is φ = 1043933184.

The previous prime is 3133479941. The next prime is 3133480027. The reversal of 3133479978 is 8799743313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2079633609 + 1053846369 = 45603^2 + 32463^2 .

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 19 ways as a sum of consecutive naturals, for example, 390826 + ... + 398762.

Almost surely, 2^3133479978 is an apocalyptic number.

3133479978 is an abundant number, since it is smaller than the sum of its proper divisors (3891602394).

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

3133479978 is a wasteful number, since it uses less digits than its factorization.

3133479978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10388 (or 10379 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 54.

The square root of 3133479978 is about 55977.4952815862. The cubic root of 3133479978 is about 1463.3301070504.

The spelling of 3133479978 in words is "three billion, one hundred thirty-three million, four hundred seventy-nine thousand, nine hundred seventy-eight".