78527475 has 120 divisors (see below), whose sum is σ = 165944240. Its totient is φ = 36391680.

The previous prime is 78527467. The next prime is 78527483. The reversal of 78527475 is 57472587.

It is an interprime number because it is at equal distance from previous prime (78527467) and next prime (78527483).

It is not a de Polignac number, because 78527475 - 2³ = 78527467 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 78527475.

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 119 ways as a sum of consecutive naturals, for example, 500097 + ... + 500253.

Almost surely, 2^78527475 is an apocalyptic number.

78527475 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

78527475 is an abundant number, since it is smaller than the sum of its proper divisors (87416765).

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

78527475 is a wasteful number, since it uses less digits than its factorization.

78527475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 197 counting only the distinct ones).

The product of its digits is 548800, while the sum is 45.

The square root of 78527475 is about 8861.5729416397. The cubic root of 78527475 is about 428.2268337154.

The spelling of 78527475 in words is "seventy-eight million, five hundred twenty-seven thousand, four hundred seventy-five".