36779947 has 4 divisors (see below), whose sum is σ = 36792360. Its totient is φ = 36767536.

The previous prime is 36779929. The next prime is 36779957. The reversal of 36779947 is 74997763.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 74997763 = 1579 ⋅47497.

It is a cyclic number.

It is not a de Polignac number, because 36779947 - 2⁷ = 36779819 is a prime.

It is a super-3 number, since 3×36779947³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36779894 and 36779903.

It is not an unprimeable number, because it can be changed into a prime (36779927) 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, 1128 + ... + 8650.

It is an arithmetic number, because the mean of its divisors is an integer number (9198090).

Almost surely, 2^36779947 is an apocalyptic number.

36779947 is a deficient number, since it is larger than the sum of its proper divisors (12413).

36779947 is an equidigital number, since it uses as much as digits as its factorization.

36779947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12412.

The product of its digits is 2000376, while the sum is 52.

The square root of 36779947 is about 6064.6473104378. The cubic root of 36779947 is about 332.5602717355.

The spelling of 36779947 in words is "thirty-six million, seven hundred seventy-nine thousand, nine hundred forty-seven".