78150288 has 20 divisors (see below), whose sum is σ = 201888368. Its totient is φ = 26050080.

The previous prime is 78150269. The next prime is 78150301. The reversal of 78150288 is 88205187.

It is a super-2 number, since 2×78150288² = 12214935028965888, which contains 22 as substring.

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, 814018 + ... + 814113.

Almost surely, 2^78150288 is an apocalyptic number.

It is an amenable number.

78150288 is an abundant number, since it is smaller than the sum of its proper divisors (123738080).

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

78150288 is a wasteful number, since it uses less digits than its factorization.

78150288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628142 (or 1628136 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 39.

The square root of 78150288 is about 8840.2651543944. The cubic root of 78150288 is about 427.5401063566.

The spelling of 78150288 in words is "seventy-eight million, one hundred fifty thousand, two hundred eighty-eight".