77305804 has 24 divisors (see below), whose sum is σ = 137516400. Its totient is φ = 38020800.

The previous prime is 77305801. The next prime is 77305807. The reversal of 77305804 is 40850377.

It is an interprime number because it is at equal distance from previous prime (77305801) and next prime (77305807).

It is a self number, because there is not a number n which added to its sum of digits gives 77305804.

It is not an unprimeable number, because it can be changed into a prime (77305801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71782 + ... + 72850.

It is an arithmetic number, because the mean of its divisors is an integer number (5729850).

Almost surely, 2^77305804 is an apocalyptic number.

It is an amenable number.

77305804 is a deficient number, since it is larger than the sum of its proper divisors (60210596).

77305804 is a wasteful number, since it uses less digits than its factorization.

77305804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353 (or 1351 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 77305804 is about 8792.3719211598. The cubic root of 77305804 is about 425.9945409897.

The spelling of 77305804 in words is "seventy-seven million, three hundred five thousand, eight hundred four".