78201230 has 8 divisors (see below), whose sum is σ = 140762232. Its totient is φ = 31280488.

The previous prime is 78201223. The next prime is 78201269. The reversal of 78201230 is 3210287.

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

It is a super-2 number, since 2×78201230² = 12230864747025800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78201196 and 78201205.

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, 3910052 + ... + 3910071.

It is an arithmetic number, because the mean of its divisors is an integer number (17595279).

Almost surely, 2^78201230 is an apocalyptic number.

78201230 is a deficient number, since it is larger than the sum of its proper divisors (62561002).

78201230 is a wasteful number, since it uses less digits than its factorization.

78201230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7820130.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 78201230 is about 8843.1459334334. The cubic root of 78201230 is about 427.6329830349.

The spelling of 78201230 in words is "seventy-eight million, two hundred one thousand, two hundred thirty".