27766206090 has 48 divisors (see below), whose sum is σ = 82505299968. Its totient is φ = 6346561248.

The previous prime is 27766206067. The next prime is 27766206113. The reversal of 27766206090 is 9060266772.

It is an interprime number because it is at equal distance from previous prime (27766206067) and next prime (27766206113).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22036042 + ... + 22037301.

It is an arithmetic number, because the mean of its divisors is an integer number (1718860416).

Almost surely, 2^27766206090 is an apocalyptic number.

27766206090 is an abundant number, since it is smaller than the sum of its proper divisors (54739093878).

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

27766206090 is a wasteful number, since it uses less digits than its factorization.

27766206090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44073363 (or 44073360 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 27766206090 in words is "twenty-seven billion, seven hundred sixty-six million, two hundred six thousand, ninety".