76766361983 has 4 divisors (see below), whose sum is σ = 76994155680. Its totient is φ = 76538568288.

The previous prime is 76766361949. The next prime is 76766362009. The reversal of 76766361983 is 38916366767.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38916366767 = 23603 ⋅1648789.

It is a cyclic number.

It is not a de Polignac number, because 76766361983 - 2¹⁰ = 76766360959 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 (76766361583) 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, 113896343 + ... + 113897016.

It is an arithmetic number, because the mean of its divisors is an integer number (19248538920).

Almost surely, 2^76766361983 is an apocalyptic number.

76766361983 is a deficient number, since it is larger than the sum of its proper divisors (227793697).

76766361983 is a wasteful number, since it uses less digits than its factorization.

76766361983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227793696.

The product of its digits is 41150592, while the sum is 62.

The spelling of 76766361983 in words is "seventy-six billion, seven hundred sixty-six million, three hundred sixty-one thousand, nine hundred eighty-three".