76670434403 has 4 divisors (see below), whose sum is σ = 76671279168. Its totient is φ = 76669589640.

The previous prime is 76670434397. The next prime is 76670434487. The reversal of 76670434403 is 30443407667.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 30443407667 = 499 ⋅61008833.

It is a cyclic number.

It is not a de Polignac number, because 76670434403 - 2²⁴ = 76653657187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76670434003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267251 + ... + 474092.

It is an arithmetic number, because the mean of its divisors is an integer number (19167819792).

Almost surely, 2^76670434403 is an apocalyptic number.

76670434403 is a deficient number, since it is larger than the sum of its proper divisors (844765).

76670434403 is a wasteful number, since it uses less digits than its factorization.

76670434403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844764.

The product of its (nonzero) digits is 1016064, while the sum is 44.

The spelling of 76670434403 in words is "seventy-six billion, six hundred seventy million, four hundred thirty-four thousand, four hundred three".