2776695980 has 12 divisors (see below), whose sum is σ = 5831061600. Its totient is φ = 1110678384.

The previous prime is 2776695919. The next prime is 2776695983. The reversal of 2776695980 is 895966772.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2776695983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69417380 + ... + 69417419.

It is an arithmetic number, because the mean of its divisors is an integer number (485921800).

Almost surely, 2^2776695980 is an apocalyptic number.

2776695980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2776695980 is an abundant number, since it is smaller than the sum of its proper divisors (3054365620).

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

2776695980 is a wasteful number, since it uses less digits than its factorization.

2776695980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138834808 (or 138834806 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 59.

The square root of 2776695980 is about 52694.3638352338. The cubic root of 2776695980 is about 1405.5386004251.

The spelling of 2776695980 in words is "two billion, seven hundred seventy-six million, six hundred ninety-five thousand, nine hundred eighty".