76416881 has 2 divisors, whose sum is σ = 76416882. Its totient is φ = 76416880.

The previous prime is 76416871. The next prime is 76416889. The reversal of 76416881 is 18861467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49210225 + 27206656 = 7015^2 + 5216^2 .

It is a cyclic number.

It is not a de Polignac number, because 76416881 - 2¹⁸ = 76154737 is a prime.

It is a super-2 number, since 2×76416881² = 11679079403536322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (76416889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38208440 + 38208441.

It is an arithmetic number, because the mean of its divisors is an integer number (38208441).

Almost surely, 2^76416881 is an apocalyptic number.

It is an amenable number.

76416881 is a deficient number, since it is larger than the sum of its proper divisors (1).

76416881 is an equidigital number, since it uses as much as digits as its factorization.

76416881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 41.

The square root of 76416881 is about 8741.6749539204. The cubic root of 76416881 is about 424.3554353897.

The spelling of 76416881 in words is "seventy-six million, four hundred sixteen thousand, eight hundred eighty-one".