2770800157 has 4 divisors (see below), whose sum is σ = 2866345020. Its totient is φ = 2675255296.

The previous prime is 2770800139. The next prime is 2770800161. The reversal of 2770800157 is 7510080772.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2309667481 + 461132676 = 48059^2 + 21474^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2770800157 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 (2770800107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47772388 + ... + 47772445.

It is an arithmetic number, because the mean of its divisors is an integer number (716586255).

Almost surely, 2^2770800157 is an apocalyptic number.

It is an amenable number.

2770800157 is a deficient number, since it is larger than the sum of its proper divisors (95544863).

2770800157 is an equidigital number, since it uses as much as digits as its factorization.

2770800157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95544862.

The product of its (nonzero) digits is 27440, while the sum is 37.

The square root of 2770800157 is about 52638.3905244072. The cubic root of 2770800157 is about 1404.5430912557.

The spelling of 2770800157 in words is "two billion, seven hundred seventy million, eight hundred thousand, one hundred fifty-seven".