2562278797 has 24 divisors (see below), whose sum is σ = 2867993568. Its totient is φ = 2286648000.

The previous prime is 2562278783. The next prime is 2562278813. The reversal of 2562278797 is 7978722652.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2562278797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2562278717) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 732222 + ... + 735712.

It is an arithmetic number, because the mean of its divisors is an integer number (119499732).

Almost surely, 2^2562278797 is an apocalyptic number.

It is an amenable number.

2562278797 is a deficient number, since it is larger than the sum of its proper divisors (305714771).

2562278797 is a wasteful number, since it uses less digits than its factorization.

2562278797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661 (or 3648 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 55.

The square root of 2562278797 is about 50618.9568936382. The cubic root of 2562278797 is about 1368.3865419674.

The spelling of 2562278797 in words is "two billion, five hundred sixty-two million, two hundred seventy-eight thousand, seven hundred ninety-seven".