76703405965 has 8 divisors (see below), whose sum is σ = 92338159608. Its totient is φ = 61166676480.

The previous prime is 76703405953. The next prime is 76703405971. The reversal of 76703405965 is 56950430767.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4470393321 + 72233012644 = 66861^2 + 268762^2 .

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

It is not a de Polignac number, because 76703405965 - 2⁹ = 76703405453 is a prime.

It is a super-3 number, since 3×76703405965³ (a number of 34 digits) contains 333 as substring.

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, 24504316 + ... + 24507445.

It is an arithmetic number, because the mean of its divisors is an integer number (11542269951).

Almost surely, 2^76703405965 is an apocalyptic number.

It is an amenable number.

76703405965 is a deficient number, since it is larger than the sum of its proper divisors (15634753643).

76703405965 is a wasteful number, since it uses less digits than its factorization.

76703405965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49012079.

The product of its (nonzero) digits is 4762800, while the sum is 52.

The spelling of 76703405965 in words is "seventy-six billion, seven hundred three million, four hundred five thousand, nine hundred sixty-five".