78479150 has 24 divisors (see below), whose sum is σ = 147345480. Its totient is φ = 31096160.

The previous prime is 78479131. The next prime is 78479173. The reversal of 78479150 is 5197487.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 78479098 and 78479107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1985 + ... + 12684.

It is an arithmetic number, because the mean of its divisors is an integer number (6139395).

Almost surely, 2^78479150 is an apocalyptic number.

78479150 is a deficient number, since it is larger than the sum of its proper divisors (68866330).

78479150 is a wasteful number, since it uses less digits than its factorization.

78479150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14788 (or 14783 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 78479150 is about 8858.8458616233. The cubic root of 78479150 is about 428.1389735614.

The spelling of 78479150 in words is "seventy-eight million, four hundred seventy-nine thousand, one hundred fifty".