77264141 has 2 divisors, whose sum is σ = 77264142. Its totient is φ = 77264140.

The previous prime is 77264101. The next prime is 77264147. The reversal of 77264141 is 14146277.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71334916 + 5929225 = 8446^2 + 2435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77264141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77264098 and 77264107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77264147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38632070 + 38632071.

It is an arithmetic number, because the mean of its divisors is an integer number (38632071).

Almost surely, 2^77264141 is an apocalyptic number.

It is an amenable number.

77264141 is a deficient number, since it is larger than the sum of its proper divisors (1).

77264141 is an equidigital number, since it uses as much as digits as its factorization.

77264141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 32.

The square root of 77264141 is about 8790.0023321954. The cubic root of 77264141 is about 425.9179990873.

The spelling of 77264141 in words is "seventy-seven million, two hundred sixty-four thousand, one hundred forty-one".