3989612477627 has 12 divisors (see below), whose sum is σ = 4624680767088. Its totient is φ = 3371503472400.

The previous prime is 3989612477569. The next prime is 3989612477629. The reversal of 3989612477627 is 7267742169893.

It is not a de Polignac number, because 3989612477627 - 2⁸ = 3989612477371 is a prime.

It is a super-2 number, since 2×3989612477627² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (71).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3989612477629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56495624 + ... + 56566197.

It is an arithmetic number, because the mean of its divisors is an integer number (385390063924).

Almost surely, 2^{3989612477627} is an apocalyptic number.

3989612477627 is a deficient number, since it is larger than the sum of its proper divisors (635068289461).

3989612477627 is an equidigital number, since it uses as much as digits as its factorization.

3989612477627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113061970 (or 113061899 counting only the distinct ones).

The product of its digits is 384072192, while the sum is 71.

The spelling of 3989612477627 in words is "three trillion, nine hundred eighty-nine billion, six hundred twelve million, four hundred seventy-seven thousand, six hundred twenty-seven".