76875372281 has 2 divisors, whose sum is σ = 76875372282. Its totient is φ = 76875372280.

The previous prime is 76875372173. The next prime is 76875372331. The reversal of 76875372281 is 18227357867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74482597225 + 2392775056 = 272915^2 + 48916^2 .

It is an emirp because it is prime and its reverse (18227357867) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76875372281 is a prime.

It is a super-2 number, since 2×76875372281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76875374281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38437686140 + 38437686141.

It is an arithmetic number, because the mean of its divisors is an integer number (38437686141).

Almost surely, 2^76875372281 is an apocalyptic number.

It is an amenable number.

76875372281 is a deficient number, since it is larger than the sum of its proper divisors (1).

76875372281 is an equidigital number, since it uses as much as digits as its factorization.

76875372281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7902720, while the sum is 56.

The spelling of 76875372281 in words is "seventy-six billion, eight hundred seventy-five million, three hundred seventy-two thousand, two hundred eighty-one".