77414971 has 2 divisors, whose sum is σ = 77414972. Its totient is φ = 77414970.

The previous prime is 77414951. The next prime is 77414977. The reversal of 77414971 is 17941477.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77414971 - 2⁹ = 77414459 is a prime.

It is not a weakly prime, because it can be changed into another prime (77414977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38707485 + 38707486.

It is an arithmetic number, because the mean of its divisors is an integer number (38707486).

Almost surely, 2^77414971 is an apocalyptic number.

77414971 is a deficient number, since it is larger than the sum of its proper divisors (1).

77414971 is an equidigital number, since it uses as much as digits as its factorization.

77414971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49392, while the sum is 40.

The square root of 77414971 is about 8798.5777828010. The cubic root of 77414971 is about 426.1949686869.

The spelling of 77414971 in words is "seventy-seven million, four hundred fourteen thousand, nine hundred seventy-one".