76738477 has 2 divisors, whose sum is σ = 76738478. Its totient is φ = 76738476.

The previous prime is 76738463. The next prime is 76738513. The reversal of 76738477 is 77483767.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65755881 + 10982596 = 8109^2 + 3314^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76738477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76738477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76738457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38369238 + 38369239.

It is an arithmetic number, because the mean of its divisors is an integer number (38369239).

Almost surely, 2^76738477 is an apocalyptic number.

It is an amenable number.

76738477 is a deficient number, since it is larger than the sum of its proper divisors (1).

76738477 is an equidigital number, since it uses as much as digits as its factorization.

76738477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1382976, while the sum is 49.

The square root of 76738477 is about 8760.0500569346. The cubic root of 76738477 is about 424.9498939776.

The spelling of 76738477 in words is "seventy-six million, seven hundred thirty-eight thousand, four hundred seventy-seven".