87337728223 has 4 divisors (see below), whose sum is σ = 87370429408. Its totient is φ = 87305027040.

The previous prime is 87337728199. The next prime is 87337728253. The reversal of 87337728223 is 32282773378.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87337728223 is a prime.

It is a super-2 number, since 2×87337728223² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87337728253) 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, 16346586 + ... + 16351927.

It is an arithmetic number, because the mean of its divisors is an integer number (21842607352).

Almost surely, 2^87337728223 is an apocalyptic number.

87337728223 is a deficient number, since it is larger than the sum of its proper divisors (32701185).

87337728223 is a wasteful number, since it uses less digits than its factorization.

87337728223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32701184.

The product of its digits is 4741632, while the sum is 52.

The spelling of 87337728223 in words is "eighty-seven billion, three hundred thirty-seven million, seven hundred twenty-eight thousand, two hundred twenty-three".