2787255801 has 48 divisors (see below), whose sum is σ = 4601376000. Its totient is φ = 1610219520.

The previous prime is 2787255799. The next prime is 2787255841. The reversal of 2787255801 is 1085527872.

2787255801 is a `hidden beast` number, since 27 + 8 + 72 + 558 + 0 + 1 = 666.

It is not a de Polignac number, because 2787255801 - 2¹ = 2787255799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2787255841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 220665 + ... + 232953.

It is an arithmetic number, because the mean of its divisors is an integer number (95862000).

Almost surely, 2^2787255801 is an apocalyptic number.

It is an amenable number.

2787255801 is a deficient number, since it is larger than the sum of its proper divisors (1814120199).

2787255801 is a wasteful number, since it uses less digits than its factorization.

2787255801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12414 (or 12411 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 45.

The square root of 2787255801 is about 52794.4675226486. The cubic root of 2787255801 is about 1407.3181087205.

The spelling of 2787255801 in words is "two billion, seven hundred eighty-seven million, two hundred fifty-five thousand, eight hundred one".