2770691388 has 48 divisors (see below), whose sum is σ = 6652298016. Its totient is φ = 897145600.

The previous prime is 2770691377. The next prime is 2770691411. The reversal of 2770691388 is 8831960772.

It is a self number, because there is not a number n which added to its sum of digits gives 2770691388.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42670 + ... + 85802.

It is an arithmetic number, because the mean of its divisors is an integer number (138589542).

Almost surely, 2^2770691388 is an apocalyptic number.

It is an amenable number.

2770691388 is an abundant number, since it is smaller than the sum of its proper divisors (3881606628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2770691388 is a wasteful number, since it uses less digits than its factorization.

2770691388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43294 (or 43292 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 2770691388 is about 52637.3573424806. The cubic root of 2770691388 is about 1404.5247123594.

The spelling of 2770691388 in words is "two billion, seven hundred seventy million, six hundred ninety-one thousand, three hundred eighty-eight".