77416541 has 2 divisors, whose sum is σ = 77416542. Its totient is φ = 77416540.

The previous prime is 77416519. The next prime is 77416553. The reversal of 77416541 is 14561477.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77352025 + 64516 = 8795^2 + 254^2 .

It is a cyclic number.

It is not a de Polignac number, because 77416541 - 2²⁶ = 10307677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77416571) 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, 38708270 + 38708271.

It is an arithmetic number, because the mean of its divisors is an integer number (38708271).

Almost surely, 2^77416541 is an apocalyptic number.

It is an amenable number.

77416541 is a deficient number, since it is larger than the sum of its proper divisors (1).

77416541 is an equidigital number, since it uses as much as digits as its factorization.

77416541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 35.

The square root of 77416541 is about 8798.6670013133. The cubic root of 77416541 is about 426.1978497901.

The spelling of 77416541 in words is "seventy-seven million, four hundred sixteen thousand, five hundred forty-one".