77147804 has 12 divisors (see below), whose sum is σ = 135379104. Its totient is φ = 38468064.

The previous prime is 77147803. The next prime is 77147813. The reversal of 77147804 is 40874177.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77147803) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24809 + ... + 27744.

It is an arithmetic number, because the mean of its divisors is an integer number (11281592).

Almost surely, 2^77147804 is an apocalyptic number.

It is an amenable number.

77147804 is a deficient number, since it is larger than the sum of its proper divisors (58231300).

77147804 is a wasteful number, since it uses less digits than its factorization.

77147804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52924 (or 52922 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 38.

The square root of 77147804 is about 8783.3822642533. The cubic root of 77147804 is about 425.7041227591.

The spelling of 77147804 in words is "seventy-seven million, one hundred forty-seven thousand, eight hundred four".