6627770772 has 72 divisors (see below), whose sum is σ = 18408098016. Its totient is φ = 1849603392.

The previous prime is 6627770761. The next prime is 6627770777. The reversal of 6627770772 is 2770777266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6627770777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105783 + ... + 156350.

It is an arithmetic number, because the mean of its divisors is an integer number (255668028).

Almost surely, 2^6627770772 is an apocalyptic number.

It is an amenable number.

6627770772 is an abundant number, since it is smaller than the sum of its proper divisors (11780327244).

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

6627770772 is a wasteful number, since it uses less digits than its factorization.

6627770772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262197 (or 262188 counting only the distinct ones).

The product of its (nonzero) digits is 2420208, while the sum is 51.

The square root of 6627770772 is about 81411.1219183227. The cubic root of 6627770772 is about 1878.4046723502.

The spelling of 6627770772 in words is "six billion, six hundred twenty-seven million, seven hundred seventy thousand, seven hundred seventy-two".