76734856671 has 16 divisors (see below), whose sum is σ = 111619140480. Its totient is φ = 46503972320.

The previous prime is 76734856657. The next prime is 76734856687. The reversal of 76734856671 is 17665843767.

It is a cyclic number.

It is not a de Polignac number, because 76734856671 - 2¹³ = 76734848479 is a prime.

It is a super-3 number, since 3×76734856671³ (a number of 34 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76734856271) 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, 1178845 + ... + 1242233.

It is an arithmetic number, because the mean of its divisors is an integer number (6976196280).

Almost surely, 2^76734856671 is an apocalyptic number.

76734856671 is a deficient number, since it is larger than the sum of its proper divisors (34884283809).

76734856671 is a wasteful number, since it uses less digits than its factorization.

76734856671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100086.

The product of its digits is 35562240, while the sum is 60.

The spelling of 76734856671 in words is "seventy-six billion, seven hundred thirty-four million, eight hundred fifty-six thousand, six hundred seventy-one".