76011332981 has 2 divisors, whose sum is σ = 76011332982. Its totient is φ = 76011332980.

The previous prime is 76011332953. The next prime is 76011333007. The reversal of 76011332981 is 18923311067.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65858956900 + 10152376081 = 256630^2 + 100759^2 .

It is an emirp because it is prime and its reverse (18923311067) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76011332981 - 2²² = 76007138677 is a prime.

It is a super-2 number, since 2×76011332981² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76011332921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38005666490 + 38005666491.

It is an arithmetic number, because the mean of its divisors is an integer number (38005666491).

Almost surely, 2^76011332981 is an apocalyptic number.

It is an amenable number.

76011332981 is a deficient number, since it is larger than the sum of its proper divisors (1).

76011332981 is an equidigital number, since it uses as much as digits as its factorization.

76011332981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 76011332981 in words is "seventy-six billion, eleven million, three hundred thirty-two thousand, nine hundred eighty-one".