76814260511 has 4 divisors (see below), whose sum is σ = 80154010992. Its totient is φ = 73474510032.

The previous prime is 76814260507. The next prime is 76814260517. The reversal of 76814260511 is 11506241867.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11506241867 = 359 ⋅32050813.

It is a cyclic number.

It is not a de Polignac number, because 76814260511 - 2² = 76814260507 is a prime.

It is a super-2 number, since 2×76814260511² (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 (76814260517) 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, 1669875206 + ... + 1669875251.

It is an arithmetic number, because the mean of its divisors is an integer number (20038502748).

Almost surely, 2^76814260511 is an apocalyptic number.

76814260511 is a deficient number, since it is larger than the sum of its proper divisors (3339750481).

76814260511 is a wasteful number, since it uses less digits than its factorization.

76814260511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3339750480.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 76814260511 in words is "seventy-six billion, eight hundred fourteen million, two hundred sixty thousand, five hundred eleven".