2671833978 has 64 divisors (see below), whose sum is σ = 6483335040. Its totient is φ = 808876800.

The previous prime is 2671833961. The next prime is 2671834021. The reversal of 2671833978 is 8793381762.

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 31 ways as a sum of consecutive naturals, for example, 1104226 + ... + 1106642.

It is an arithmetic number, because the mean of its divisors is an integer number (101302110).

Almost surely, 2^2671833978 is an apocalyptic number.

2671833978 is an abundant number, since it is smaller than the sum of its proper divisors (3811501062).

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

2671833978 is a wasteful number, since it uses less digits than its factorization.

2671833978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4300 (or 4294 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 2671833978 is about 51689.7860123255. The cubic root of 2671833978 is about 1387.6176741688.

The spelling of 2671833978 in words is "two billion, six hundred seventy-one million, eight hundred thirty-three thousand, nine hundred seventy-eight".