78786150 has 24 divisors (see below), whose sum is σ = 195390024. Its totient is φ = 21009600.

The previous prime is 78786119. The next prime is 78786167. The reversal of 78786150 is 5168787.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 262471 + ... + 262770.

It is an arithmetic number, because the mean of its divisors is an integer number (8141251).

Almost surely, 2^78786150 is an apocalyptic number.

78786150 is an abundant number, since it is smaller than the sum of its proper divisors (116603874).

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

78786150 is a wasteful number, since it uses less digits than its factorization.

78786150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525256 (or 525251 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 42.

The square root of 78786150 is about 8876.1562627074. The cubic root of 78786150 is about 428.6965214204.

It can be divided in two parts, 7878 and 6150, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 78786150 in words is "seventy-eight million, seven hundred eighty-six thousand, one hundred fifty".