2535580978 has 32 divisors (see below), whose sum is σ = 4436092800. Its totient is φ = 1064534400.

The previous prime is 2535580939. The next prime is 2535580979. The reversal of 2535580978 is 8790855352.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2535580979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143953 + ... + 160603.

It is an arithmetic number, because the mean of its divisors is an integer number (138627900).

Almost surely, 2^2535580978 is an apocalyptic number.

2535580978 is a deficient number, since it is larger than the sum of its proper divisors (1900511822).

2535580978 is a wasteful number, since it uses less digits than its factorization.

2535580978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16882.

The product of its (nonzero) digits is 3024000, while the sum is 52.

The square root of 2535580978 is about 50354.5527038023. The cubic root of 2535580978 is about 1363.6172767319.

The spelling of 2535580978 in words is "two billion, five hundred thirty-five million, five hundred eighty thousand, nine hundred seventy-eight".