36978478 has 16 divisors (see below), whose sum is σ = 56436480. Its totient is φ = 18168696.

The previous prime is 36978413. The next prime is 36978479. The reversal of 36978478 is 87487963.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36978479) 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, 44301 + ... + 45127.

It is an arithmetic number, because the mean of its divisors is an integer number (3527280).

Almost surely, 2^36978478 is an apocalyptic number.

36978478 is a deficient number, since it is larger than the sum of its proper divisors (19458002).

36978478 is a wasteful number, since it uses less digits than its factorization.

36978478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191.

The product of its digits is 2032128, while the sum is 52.

The square root of 36978478 is about 6080.9931754607. The cubic root of 36978478 is about 333.1575635535.

The spelling of 36978478 in words is "thirty-six million, nine hundred seventy-eight thousand, four hundred seventy-eight".