27764223876 has 45 divisors (see below), whose sum is σ = 72589007029. Its totient is φ = 9253741536.

The previous prime is 27764223869. The next prime is 27764223881. The reversal of 27764223876 is 67832246772.

It is a happy number.

The square root of 27764223876 is 166626.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1706516100 + 26057707776 = 41310^2 + 161424^2 .

It is a super-3 number, since 3×27764223876³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2994640 + ... + 3003896.

Almost surely, 2^27764223876 is an apocalyptic number.

27764223876 is the 166626-th square number.

It is an amenable number.

27764223876 is an abundant number, since it is smaller than the sum of its proper divisors (44824783153).

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

27764223876 is an frugal number, since it uses more digits than its factorization.

27764223876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18530 (or 9262 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 54.

The spelling of 27764223876 in words is "twenty-seven billion, seven hundred sixty-four million, two hundred twenty-three thousand, eight hundred seventy-six".