78775352 has 32 divisors (see below), whose sum is σ = 150595200. Its totient is φ = 38623200.

The previous prime is 78775343. The next prime is 78775369. The reversal of 78775352 is 25357787.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187799 + ... + 188217.

It is an arithmetic number, because the mean of its divisors is an integer number (4706100).

Almost surely, 2^78775352 is an apocalyptic number.

It is an amenable number.

78775352 is a deficient number, since it is larger than the sum of its proper divisors (71819848).

78775352 is a wasteful number, since it uses less digits than its factorization.

78775352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827 (or 823 counting only the distinct ones).

The product of its digits is 411600, while the sum is 44.

The square root of 78775352 is about 8875.5479830825. The cubic root of 78775352 is about 428.6769355900.

The spelling of 78775352 in words is "seventy-eight million, seven hundred seventy-five thousand, three hundred fifty-two".