76550405863 has 4 divisors (see below), whose sum is σ = 76664151568. Its totient is φ = 76436660160.

The previous prime is 76550405821. The next prime is 76550405903. The reversal of 76550405863 is 36850405567.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36850405567 = 26317 ⋅1400251.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76550405863 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 (76550400863) 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, 56871843 + ... + 56873188.

It is an arithmetic number, because the mean of its divisors is an integer number (19166037892).

Almost surely, 2^76550405863 is an apocalyptic number.

76550405863 is a deficient number, since it is larger than the sum of its proper divisors (113745705).

76550405863 is a wasteful number, since it uses less digits than its factorization.

76550405863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113745704.

The product of its (nonzero) digits is 3024000, while the sum is 49.

The spelling of 76550405863 in words is "seventy-six billion, five hundred fifty million, four hundred five thousand, eight hundred sixty-three".