76505314869 has 12 divisors (see below), whose sum is σ = 110520344896. Its totient is φ = 50997696552.

The previous prime is 76505314859. The next prime is 76505314877. The reversal of 76505314869 is 96841350567.

76505314869 is a `hidden beast` number, since 7 + 6 + 5 + 0 + 531 + 48 + 69 = 666.

It is not a de Polignac number, because 76505314869 - 2⁷ = 76505314741 is a prime.

It is a super-2 number, since 2×76505314869² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76505314859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 403597 + ... + 562050.

Almost surely, 2^76505314869 is an apocalyptic number.

It is an amenable number.

76505314869 is a deficient number, since it is larger than the sum of its proper divisors (34015030027).

76505314869 is a wasteful number, since it uses less digits than its factorization.

76505314869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974456 (or 974453 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 76505314869 in words is "seventy-six billion, five hundred five million, three hundred fourteen thousand, eight hundred sixty-nine".