47223417387 has 24 divisors (see below), whose sum is σ = 66727296064. Its totient is φ = 29689714656.

The previous prime is 47223417299. The next prime is 47223417431. The reversal of 47223417387 is 78371432274.

It is not a de Polignac number, because 47223417387 - 2⁷ = 47223417259 is a prime.

It is a super-2 number, since 2×47223417387² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47223417487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109153 + ... + 326130.

Almost surely, 2^47223417387 is an apocalyptic number.

47223417387 is a deficient number, since it is larger than the sum of its proper divisors (19503878677).

47223417387 is a wasteful number, since it uses less digits than its factorization.

47223417387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435387 (or 435358 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 48.

The spelling of 47223417387 in words is "forty-seven billion, two hundred twenty-three million, four hundred seventeen thousand, three hundred eighty-seven".