4277398638 has 32 divisors (see below), whose sum is σ = 8766299520. Its totient is φ = 1390918880.

The previous prime is 4277398637. The next prime is 4277398639. The reversal of 4277398638 is 8368937724.

It is an interprime number because it is at equal distance from previous prime (4277398637) and next prime (4277398639).

It is a super-2 number, since 2×4277398638² = 36592278216728510088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4277398633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256 + ... + 92492.

It is an arithmetic number, because the mean of its divisors is an integer number (273946860).

Almost surely, 2^4277398638 is an apocalyptic number.

4277398638 is an abundant number, since it is smaller than the sum of its proper divisors (4488900882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4277398638 is a wasteful number, since it uses less digits than its factorization.

4277398638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92432.

The product of its digits is 12192768, while the sum is 57.

The square root of 4277398638 is about 65401.8244240939. The cubic root of 4277398638 is about 1623.2792689398.

The spelling of 4277398638 in words is "four billion, two hundred seventy-seven million, three hundred ninety-eight thousand, six hundred thirty-eight".