2777661796 has 24 divisors (see below), whose sum is σ = 5982656960. Its totient is φ = 1098855072.

The previous prime is 2777661793. The next prime is 2777661797. The reversal of 2777661796 is 6971667772.

It is a self number, because there is not a number n which added to its sum of digits gives 2777661796.

It is not an unprimeable number, because it can be changed into a prime (2777661793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3815106 + ... + 3815833.

Almost surely, 2^2777661796 is an apocalyptic number.

2777661796 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2777661796 is an abundant number, since it is smaller than the sum of its proper divisors (3204995164).

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

2777661796 is a wasteful number, since it uses less digits than its factorization.

2777661796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7630963 (or 7630961 counting only the distinct ones).

The product of its digits is 9335088, while the sum is 58.

The square root of 2777661796 is about 52703.5273582329. The cubic root of 2777661796 is about 1405.7015440000.

The spelling of 2777661796 in words is "two billion, seven hundred seventy-seven million, six hundred sixty-one thousand, seven hundred ninety-six".