77232485 has 12 divisors (see below), whose sum is σ = 101871084. Its totient is φ = 56168640.

The previous prime is 77232469. The next prime is 77232487. The reversal of 77232485 is 58423277.

It can be written as a sum of positive squares in 2 ways, for example, as 9351364 + 67881121 = 3058^2 + 8239^2 .

It is not a de Polignac number, because 77232485 - 2⁴ = 77232469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77232487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63224 + ... + 64433.

It is an arithmetic number, because the mean of its divisors is an integer number (8489257).

Almost surely, 2^77232485 is an apocalyptic number.

It is an amenable number.

77232485 is a deficient number, since it is larger than the sum of its proper divisors (24638599).

77232485 is a wasteful number, since it uses less digits than its factorization.

77232485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127684 (or 127673 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 77232485 is about 8788.2014656015. The cubic root of 77232485 is about 425.8598233204.

The spelling of 77232485 in words is "seventy-seven million, two hundred thirty-two thousand, four hundred eighty-five".