78873036 has 24 divisors (see below), whose sum is σ = 200768064. Its totient is φ = 23900880.

The previous prime is 78873023. The next prime is 78873037. The reversal of 78873036 is 63037887.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (78873037) 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, 298630 + ... + 298893.

It is an arithmetic number, because the mean of its divisors is an integer number (8365336).

Almost surely, 2^78873036 is an apocalyptic number.

It is an amenable number.

78873036 is an abundant number, since it is smaller than the sum of its proper divisors (121895028).

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

78873036 is a wasteful number, since it uses less digits than its factorization.

78873036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597541 (or 597539 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 78873036 is about 8881.0492623338. The cubic root of 78873036 is about 428.8540535162.

It can be divided in two parts, 7887 and 3036, that multiplied together give a palindrome (23944932).

The spelling of 78873036 in words is "seventy-eight million, eight hundred seventy-three thousand, thirty-six".