78003830 has 8 divisors (see below), whose sum is σ = 140406912. Its totient is φ = 31201528.

The previous prime is 78003773. The next prime is 78003847. The reversal of 78003830 is 3830087.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 78003793 and 78003802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3900182 + ... + 3900201.

It is an arithmetic number, because the mean of its divisors is an integer number (17550864).

Almost surely, 2^78003830 is an apocalyptic number.

78003830 is a deficient number, since it is larger than the sum of its proper divisors (62403082).

78003830 is a wasteful number, since it uses less digits than its factorization.

78003830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7800390.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 78003830 is about 8831.9776947182. The cubic root of 78003830 is about 427.2728613386.

The spelling of 78003830 in words is "seventy-eight million, three thousand, eight hundred thirty".