78383832 has 16 divisors (see below), whose sum is σ = 195959640. Its totient is φ = 26127936.

The previous prime is 78383807. The next prime is 78383843. The reversal of 78383832 is 23838387.

It is a super-2 number, since 2×78383832² = 12288050238008448, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1632973 + ... + 1633020.

Almost surely, 2^78383832 is an apocalyptic number.

It is an amenable number.

78383832 is an abundant number, since it is smaller than the sum of its proper divisors (117575808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78383832 is a wasteful number, since it uses less digits than its factorization.

78383832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3266002 (or 3265998 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 78383832 is about 8853.4644066603. The cubic root of 78383832 is about 427.9655691871.

The spelling of 78383832 in words is "seventy-eight million, three hundred eighty-three thousand, eight hundred thirty-two".