36781440627 has 4 divisors (see below), whose sum is σ = 49041920840. Its totient is φ = 24520960416.

The previous prime is 36781440617. The next prime is 36781440629. The reversal of 36781440627 is 72604418763.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 36781440627 - 2²² = 36777246323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36781440629) 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, 6130240102 + ... + 6130240107.

It is an arithmetic number, because the mean of its divisors is an integer number (12260480210).

Almost surely, 2^36781440627 is an apocalyptic number.

36781440627 is a deficient number, since it is larger than the sum of its proper divisors (12260480213).

36781440627 is a wasteful number, since it uses less digits than its factorization.

36781440627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12260480212.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 36781440627 in words is "thirty-six billion, seven hundred eighty-one million, four hundred forty thousand, six hundred twenty-seven".