36978715801 has 4 divisors (see below), whose sum is σ = 37099167952. Its totient is φ = 36858263652.

The previous prime is 36978715783. The next prime is 36978715817. The reversal of 36978715801 is 10851787963.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10851787963 = 139 ⋅78070417.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36978715801 is a prime.

It is a super-2 number, since 2×36978715801² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36978715001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60225615 + ... + 60226228.

It is an arithmetic number, because the mean of its divisors is an integer number (9274791988).

Almost surely, 2^36978715801 is an apocalyptic number.

It is an amenable number.

36978715801 is a deficient number, since it is larger than the sum of its proper divisors (120452151).

36978715801 is a wasteful number, since it uses less digits than its factorization.

36978715801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120452150.

The product of its (nonzero) digits is 2540160, while the sum is 55.

The spelling of 36978715801 in words is "thirty-six billion, nine hundred seventy-eight million, seven hundred fifteen thousand, eight hundred one".