77325386 has 4 divisors (see below), whose sum is σ = 115988082. Its totient is φ = 38662692.

The previous prime is 77325371. The next prime is 77325427. The reversal of 77325386 is 68352377.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68352377 = 827 ⋅82651.

It can be written as a sum of positive squares in only one way, i.e., 71656225 + 5669161 = 8465^2 + 2381^2 .

It is a Curzon 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 as a sum of consecutive naturals, namely, 19331345 + ... + 19331348.

Almost surely, 2^77325386 is an apocalyptic number.

77325386 is a deficient number, since it is larger than the sum of its proper divisors (38662696).

77325386 is a wasteful number, since it uses less digits than its factorization.

77325386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38662695.

The product of its digits is 211680, while the sum is 41.

The square root of 77325386 is about 8793.4854295666. The cubic root of 77325386 is about 426.0305069000.

The spelling of 77325386 in words is "seventy-seven million, three hundred twenty-five thousand, three hundred eighty-six".