36843978216 has 32 divisors (see below), whose sum is σ = 93219708960. Its totient is φ = 12133357632.

The previous prime is 36843978211. The next prime is 36843978217. The reversal of 36843978216 is 61287934863.

It is not an unprimeable number, because it can be changed into a prime (36843978211) 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, 9245995 + ... + 9249978.

It is an arithmetic number, because the mean of its divisors is an integer number (2913115905).

Almost surely, 2^36843978216 is an apocalyptic number.

It is an amenable number.

36843978216 is an abundant number, since it is smaller than the sum of its proper divisors (56375730744).

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

36843978216 is a wasteful number, since it uses less digits than its factorization.

36843978216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18496065 (or 18496061 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 57.

The spelling of 36843978216 in words is "thirty-six billion, eight hundred forty-three million, nine hundred seventy-eight thousand, two hundred sixteen".