78475527 has 16 divisors (see below), whose sum is σ = 125203680. Its totient is φ = 48292416.

The previous prime is 78475513. The next prime is 78475547. The reversal of 78475527 is 72557487.

It is not a de Polignac number, because 78475527 - 2⁷ = 78475399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78475547) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 111438 + ... + 112139.

It is an arithmetic number, because the mean of its divisors is an integer number (7825230).

Almost surely, 2^78475527 is an apocalyptic number.

78475527 is a deficient number, since it is larger than the sum of its proper divisors (46728153).

78475527 is a wasteful number, since it uses less digits than its factorization.

78475527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223599 (or 223593 counting only the distinct ones).

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

The square root of 78475527 is about 8858.6413743869. The cubic root of 78475527 is about 428.1323850965.

The spelling of 78475527 in words is "seventy-eight million, four hundred seventy-five thousand, five hundred twenty-seven".