2771480664 has 64 divisors (see below), whose sum is σ = 7843845600. Its totient is φ = 906392448.

The previous prime is 2771480653. The next prime is 2771480689. The reversal of 2771480664 is 4660841772.

It is a super-2 number, since 2×2771480664² = 15362210141851761792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109599 + ... + 132494.

Almost surely, 2^2771480664 is an apocalyptic number.

2771480664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2771480664 is an abundant number, since it is smaller than the sum of its proper divisors (5072364936).

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

2771480664 is a wasteful number, since it uses less digits than its factorization.

2771480664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242161 (or 242151 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 2771480664 is about 52644.8541075004. The cubic root of 2771480664 is about 1404.6580668481.

The spelling of 2771480664 in words is "two billion, seven hundred seventy-one million, four hundred eighty thousand, six hundred sixty-four".