76746436537 has 2 divisors, whose sum is σ = 76746436538. Its totient is φ = 76746436536.

The previous prime is 76746436511. The next prime is 76746436549. The reversal of 76746436537 is 73563464767.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54205618041 + 22540818496 = 232821^2 + 150136^2 .

It is a cyclic number.

It is not a de Polignac number, because 76746436537 - 2²³ = 76738047929 is a prime.

It is a super-2 number, since 2×76746436537² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76746436567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38373218268 + 38373218269.

It is an arithmetic number, because the mean of its divisors is an integer number (38373218269).

Almost surely, 2^76746436537 is an apocalyptic number.

It is an amenable number.

76746436537 is a deficient number, since it is larger than the sum of its proper divisors (1).

76746436537 is an equidigital number, since it uses as much as digits as its factorization.

76746436537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53343360, while the sum is 58.

The spelling of 76746436537 in words is "seventy-six billion, seven hundred forty-six million, four hundred thirty-six thousand, five hundred thirty-seven".