5623638487 has 4 divisors (see below), whose sum is σ = 5919619480. Its totient is φ = 5327657496.

The previous prime is 5623638469. The next prime is 5623638521. The reversal of 5623638487 is 7848363265.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7848363265 = 5 ⋅1569672653.

It is a cyclic number.

It is not a de Polignac number, because 5623638487 - 2¹¹ = 5623636439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5623638457) 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, 147990468 + ... + 147990505.

It is an arithmetic number, because the mean of its divisors is an integer number (1479904870).

Almost surely, 2^5623638487 is an apocalyptic number.

5623638487 is a deficient number, since it is larger than the sum of its proper divisors (295980993).

5623638487 is a wasteful number, since it uses less digits than its factorization.

5623638487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295980992.

The product of its digits is 5806080, while the sum is 52.

The square root of 5623638487 is about 74990.9226973505. The cubic root of 5623638487 is about 1778.3031515858.

The spelling of 5623638487 in words is "five billion, six hundred twenty-three million, six hundred thirty-eight thousand, four hundred eighty-seven".