2561077754 has 32 divisors (see below), whose sum is σ = 4190832000. Its totient is φ = 1169187264.

The previous prime is 2561077733. The next prime is 2561077759. The reversal of 2561077754 is 4577701652.

It is not an unprimeable number, because it can be changed into a prime (2561077759) 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, 717827 + ... + 721385.

It is an arithmetic number, because the mean of its divisors is an integer number (130963500).

Almost surely, 2^2561077754 is an apocalyptic number.

2561077754 is a deficient number, since it is larger than the sum of its proper divisors (1629754246).

2561077754 is a wasteful number, since it uses less digits than its factorization.

2561077754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262.

The product of its (nonzero) digits is 411600, while the sum is 44.

The square root of 2561077754 is about 50607.0919338387. The cubic root of 2561077754 is about 1368.1727026386.

The spelling of 2561077754 in words is "two billion, five hundred sixty-one million, seventy-seven thousand, seven hundred fifty-four".