87438023 has 8 divisors (see below), whose sum is σ = 88810176. Its totient is φ = 86076000.

The previous prime is 87438007. The next prime is 87438037. The reversal of 87438023 is 32083478.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87438023 - 2⁴ = 87438007 is a prime.

It is a super-2 number, since 2×87438023² = 15290815732297058, which 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 (87438223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15890 + ... + 20672.

It is an arithmetic number, because the mean of its divisors is an integer number (11101272).

Almost surely, 2^87438023 is an apocalyptic number.

87438023 is a deficient number, since it is larger than the sum of its proper divisors (1372153).

87438023 is a wasteful number, since it uses less digits than its factorization.

87438023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5065.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 87438023 is about 9350.8300701061. The cubic root of 87438023 is about 443.8471577778.

The spelling of 87438023 in words is "eighty-seven million, four hundred thirty-eight thousand, twenty-three".