36978261 has 8 divisors (see below), whose sum is σ = 50112864. Its totient is φ = 24247920.

The previous prime is 36978251. The next prime is 36978289. The reversal of 36978261 is 16287963.

It is a happy number.

36978261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36978261 - 2⁵ = 36978229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36978251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100851 + ... + 101216.

It is an arithmetic number, because the mean of its divisors is an integer number (6264108).

Almost surely, 2^36978261 is an apocalyptic number.

It is an amenable number.

36978261 is a deficient number, since it is larger than the sum of its proper divisors (13134603).

36978261 is a wasteful number, since it uses less digits than its factorization.

36978261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202131.

The product of its digits is 108864, while the sum is 42.

The square root of 36978261 is about 6080.9753329544. The cubic root of 36978261 is about 333.1569118651.

The spelling of 36978261 in words is "thirty-six million, nine hundred seventy-eight thousand, two hundred sixty-one".