36278820861 has 8 divisors (see below), whose sum is σ = 48373743840. Its totient is φ = 24184889232.

The previous prime is 36278820859. The next prime is 36278820863. The reversal of 36278820861 is 16802887263.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (36278820859) and next prime (36278820863).

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

It is not a de Polignac number, because 36278820861 - 2¹ = 36278820859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36278820863) 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, 157771 + ... + 312168.

It is an arithmetic number, because the mean of its divisors is an integer number (6046717980).

Almost surely, 2^36278820861 is an apocalyptic number.

It is an amenable number.

36278820861 is a deficient number, since it is larger than the sum of its proper divisors (12094922979).

36278820861 is a wasteful number, since it uses less digits than its factorization.

36278820861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495675.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 36278820861 in words is "thirty-six billion, two hundred seventy-eight million, eight hundred twenty thousand, eight hundred sixty-one".