39474222787 has 4 divisors (see below), whose sum is σ = 41551813480. Its totient is φ = 37396632096.

The previous prime is 39474222773. The next prime is 39474222839. The reversal of 39474222787 is 78722247493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78722247493 = 101 ⋅779428193.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39474222787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39474222707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1038795318 + ... + 1038795355.

It is an arithmetic number, because the mean of its divisors is an integer number (10387953370).

Almost surely, 2^39474222787 is an apocalyptic number.

39474222787 is a deficient number, since it is larger than the sum of its proper divisors (2077590693).

39474222787 is a wasteful number, since it uses less digits than its factorization.

39474222787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077590692.

The product of its digits is 9483264, while the sum is 55.

The spelling of 39474222787 in words is "thirty-nine billion, four hundred seventy-four million, two hundred twenty-two thousand, seven hundred eighty-seven".