76446869 has 2 divisors, whose sum is σ = 76446870. Its totient is φ = 76446868.

The previous prime is 76446859. The next prime is 76446883. The reversal of 76446869 is 96864467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70980625 + 5466244 = 8425^2 + 2338^2 .

It is a cyclic number.

It is not a de Polignac number, because 76446869 - 2⁸ = 76446613 is a prime.

It is a super-2 number, since 2×76446869² = 11688247559806322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76446809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38223434 + 38223435.

It is an arithmetic number, because the mean of its divisors is an integer number (38223435).

Almost surely, 2^76446869 is an apocalyptic number.

It is an amenable number.

76446869 is a deficient number, since it is larger than the sum of its proper divisors (1).

76446869 is an equidigital number, since it uses as much as digits as its factorization.

76446869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 50.

The square root of 76446869 is about 8743.3900176076. The cubic root of 76446869 is about 424.4109375526.

The spelling of 76446869 in words is "seventy-six million, four hundred forty-six thousand, eight hundred sixty-nine".