77676325 has 6 divisors (see below), whose sum is σ = 96318674. Its totient is φ = 62141040.

The previous prime is 77676301. The next prime is 77676341. The reversal of 77676325 is 52367677.

It can be written as a sum of positive squares in 3 ways, for example, as 833569 + 76842756 = 913^2 + 8766^2 .

It is not a de Polignac number, because 77676325 - 2⁹ = 77675813 is a prime.

It is a super-2 number, since 2×77676325² = 12067222931011250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 1553502 + ... + 1553551.

Almost surely, 2^77676325 is an apocalyptic number.

It is an amenable number.

77676325 is a deficient number, since it is larger than the sum of its proper divisors (18642349).

77676325 is a wasteful number, since it uses less digits than its factorization.

77676325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3107063 (or 3107058 counting only the distinct ones).

The product of its digits is 370440, while the sum is 43.

The square root of 77676325 is about 8813.4173281424. The cubic root of 77676325 is about 426.6740433159.

It can be divided in two parts, 77 and 676325, that multiplied together give a palindrome (52077025).

The spelling of 77676325 in words is "seventy-seven million, six hundred seventy-six thousand, three hundred twenty-five".