77113747 has 2 divisors, whose sum is σ = 77113748. Its totient is φ = 77113746.

The previous prime is 77113727. The next prime is 77113763. The reversal of 77113747 is 74731177.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77113747 - 2¹⁵ = 77080979 is a prime.

It is not a weakly prime, because it can be changed into another prime (77113727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38556873 + 38556874.

It is an arithmetic number, because the mean of its divisors is an integer number (38556874).

Almost surely, 2^77113747 is an apocalyptic number.

77113747 is a deficient number, since it is larger than the sum of its proper divisors (1).

77113747 is an equidigital number, since it uses as much as digits as its factorization.

77113747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28812, while the sum is 37.

The square root of 77113747 is about 8781.4433323913. The cubic root of 77113747 is about 425.6414709899.

The spelling of 77113747 in words is "seventy-seven million, one hundred thirteen thousand, seven hundred forty-seven".