76727147605 has 8 divisors (see below), whose sum is σ = 92074214232. Its totient is φ = 61380626688.

The previous prime is 76727147593. The next prime is 76727147647. The reversal of 76727147605 is 50674172767.

It can be written as a sum of positive squares in 4 ways, for example, as 11766391729 + 64960755876 = 108473^2 + 254874^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 76727147605 - 2⁷ = 76727147477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299577 + ... + 493153.

It is an arithmetic number, because the mean of its divisors is an integer number (11509276779).

Almost surely, 2^76727147605 is an apocalyptic number.

It is an amenable number.

76727147605 is a deficient number, since it is larger than the sum of its proper divisors (15347066627).

76727147605 is a wasteful number, since it uses less digits than its factorization.

76727147605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272855.

The product of its (nonzero) digits is 3457440, while the sum is 52.

The spelling of 76727147605 in words is "seventy-six billion, seven hundred twenty-seven million, one hundred forty-seven thousand, six hundred five".