76765525423 has 4 divisors (see below), whose sum is σ = 76974696160. Its totient is φ = 76556354688.

The previous prime is 76765525381. The next prime is 76765525439. The reversal of 76765525423 is 32452556767.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32452556767 = 23 ⋅1410980729.

It is a cyclic number.

It is not a de Polignac number, because 76765525423 - 2²¹ = 76763428271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76765535423) 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, 104584818 + ... + 104585551.

It is an arithmetic number, because the mean of its divisors is an integer number (19243674040).

Almost surely, 2^76765525423 is an apocalyptic number.

76765525423 is a deficient number, since it is larger than the sum of its proper divisors (209170737).

76765525423 is a wasteful number, since it uses less digits than its factorization.

76765525423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209170736.

The product of its digits is 10584000, while the sum is 52.

The spelling of 76765525423 in words is "seventy-six billion, seven hundred sixty-five million, five hundred twenty-five thousand, four hundred twenty-three".