36885978 has 48 divisors (see below), whose sum is σ = 82660032. Its totient is φ = 11880000.

The previous prime is 36885949. The next prime is 36885983. The reversal of 36885978 is 87958863.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111273 + ... + 111603.

It is an arithmetic number, because the mean of its divisors is an integer number (1722084).

Almost surely, 2^36885978 is an apocalyptic number.

36885978 is an abundant number, since it is smaller than the sum of its proper divisors (45774054).

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

36885978 is a wasteful number, since it uses less digits than its factorization.

36885978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 528 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 36885978 is about 6073.3827476951. The cubic root of 36885978 is about 332.8795387139.

The spelling of 36885978 in words is "thirty-six million, eight hundred eighty-five thousand, nine hundred seventy-eight".