27765028876 has 48 divisors (see below), whose sum is σ = 53048052288. Its totient is φ = 12638880000.

The previous prime is 27765028817. The next prime is 27765028877. The reversal of 27765028876 is 67882056772.

It is a super-2 number, since 2×27765028876² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27765028876.

It is not an unprimeable number, because it can be changed into a prime (27765028877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1371226 + ... + 1391326.

It is an arithmetic number, because the mean of its divisors is an integer number (1105167756).

Almost surely, 2^27765028876 is an apocalyptic number.

27765028876 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

27765028876 is a deficient number, since it is larger than the sum of its proper divisors (25283023412).

27765028876 is a wasteful number, since it uses less digits than its factorization.

27765028876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20482 (or 20480 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 58.

The spelling of 27765028876 in words is "twenty-seven billion, seven hundred sixty-five million, twenty-eight thousand, eight hundred seventy-six".