36854377978 has 16 divisors (see below), whose sum is σ = 60323084640. Its totient is φ = 16747567600.

The previous prime is 36854377949. The next prime is 36854377997. The reversal of 36854377978 is 87977345863.

36854377978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×36854377978² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135148 + ... + 303271.

It is an arithmetic number, because the mean of its divisors is an integer number (3770192790).

Almost surely, 2^36854377978 is an apocalyptic number.

36854377978 is a deficient number, since it is larger than the sum of its proper divisors (23468706662).

36854377978 is a wasteful number, since it uses less digits than its factorization.

36854377978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442253.

The product of its digits is 213373440, while the sum is 67.

The spelling of 36854377978 in words is "thirty-six billion, eight hundred fifty-four million, three hundred seventy-seven thousand, nine hundred seventy-eight".