78032208 has 60 divisors (see below), whose sum is σ = 208998528. Its totient is φ = 25061760.

The previous prime is 78032203. The next prime is 78032209. The reversal of 78032208 is 80223087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78032203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340638 + ... + 340866.

Almost surely, 2^78032208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78032208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104499264).

78032208 is an abundant number, since it is smaller than the sum of its proper divisors (130966320).

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

78032208 is a wasteful number, since it uses less digits than its factorization.

78032208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 78032208 is about 8833.5840970695. The cubic root of 78032208 is about 427.3246693894.

It can be divided in two parts, 7803 and 2208, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 78032208 in words is "seventy-eight million, thirty-two thousand, two hundred eight".