27765040377 has 8 divisors (see below), whose sum is σ = 37022551264. Its totient is φ = 18508778208.

The previous prime is 27765040361. The next prime is 27765040393. The reversal of 27765040377 is 77304056772.

It is an interprime number because it is at equal distance from previous prime (27765040361) and next prime (27765040393).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27765040377 - 2⁴ = 27765040361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27765040357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259003 + ... + 350160.

It is an arithmetic number, because the mean of its divisors is an integer number (4627818908).

Almost surely, 2^27765040377 is an apocalyptic number.

It is an amenable number.

27765040377 is a deficient number, since it is larger than the sum of its proper divisors (9257510887).

27765040377 is a wasteful number, since it uses less digits than its factorization.

27765040377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624359.

The product of its (nonzero) digits is 1728720, while the sum is 48.

The spelling of 27765040377 in words is "twenty-seven billion, seven hundred sixty-five million, forty thousand, three hundred seventy-seven".