2601000978 has 16 divisors (see below), whose sum is σ = 5209739616. Its totient is φ = 865710720.

The previous prime is 2601000959. The next prime is 2601001019. The reversal of 2601000978 is 8790001062.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318028 + ... + 326103.

It is an arithmetic number, because the mean of its divisors is an integer number (325608726).

Almost surely, 2^2601000978 is an apocalyptic number.

2601000978 is an abundant number, since it is smaller than the sum of its proper divisors (2608738638).

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

2601000978 is a wasteful number, since it uses less digits than its factorization.

2601000978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644809.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 2601000978 is about 51000.0095882344. The cubic root of 2601000978 is about 1375.2453077262.

The spelling of 2601000978 in words is "two billion, six hundred one million, nine hundred seventy-eight", and thus it is an aban number.