27764322652 has 36 divisors (see below), whose sum is σ = 53547433240. Its totient is φ = 12586764960.

The previous prime is 27764322623. The next prime is 27764322659. The reversal of 27764322652 is 25622346772.

It is a happy number.

It is a super-2 number, since 2×27764322652² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27764322659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107758 + ... + 259114.

Almost surely, 2^27764322652 is an apocalyptic number.

27764322652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27764322652 is a deficient number, since it is larger than the sum of its proper divisors (25783110588).

27764322652 is a wasteful number, since it uses less digits than its factorization.

27764322652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151762 (or 151749 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 46.

The spelling of 27764322652 in words is "twenty-seven billion, seven hundred sixty-four million, three hundred twenty-two thousand, six hundred fifty-two".