76734338499 has 64 divisors (see below), whose sum is σ = 139974016000. Its totient is φ = 40458030336.

The previous prime is 76734338491. The next prime is 76734338507. The reversal of 76734338499 is 99483343767.

76734338499 is a `hidden beast` number, since 7 + 6 + 73 + 43 + 38 + 499 = 666.

It is an interprime number because it is at equal distance from previous prime (76734338491) and next prime (76734338507).

It is not a de Polignac number, because 76734338499 - 2³ = 76734338491 is a prime.

It is a super-2 number, since 2×76734338499² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (76734338491) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7486272 + ... + 7496514.

It is an arithmetic number, because the mean of its divisors is an integer number (2187094000).

Almost surely, 2^76734338499 is an apocalyptic number.

76734338499 is a deficient number, since it is larger than the sum of its proper divisors (63239677501).

76734338499 is a wasteful number, since it uses less digits than its factorization.

76734338499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13321 (or 13315 counting only the distinct ones).

The product of its digits is 82301184, while the sum is 63.

The spelling of 76734338499 in words is "seventy-six billion, seven hundred thirty-four million, three hundred thirty-eight thousand, four hundred ninety-nine".