78532806 has 16 divisors (see below), whose sum is σ = 171344448. Its totient is φ = 23797800.

The previous prime is 78532793. The next prime is 78532807. The reversal of 78532806 is 60823587.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78532807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594880 + ... + 595011.

It is an arithmetic number, because the mean of its divisors is an integer number (10709028).

Almost surely, 2^78532806 is an apocalyptic number.

78532806 is an abundant number, since it is smaller than the sum of its proper divisors (92811642).

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

78532806 is a wasteful number, since it uses less digits than its factorization.

78532806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189907.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 78532806 is about 8861.8737296353. The cubic root of 78532806 is about 428.2365238508.

The spelling of 78532806 in words is "seventy-eight million, five hundred thirty-two thousand, eight hundred six".