87223726 has 8 divisors (see below), whose sum is σ = 134371800. Its totient is φ = 42433128.

The previous prime is 87223723. The next prime is 87223729. The reversal of 87223726 is 62732278.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (87223723) and next prime (87223729).

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

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87223723) 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, 589276 + ... + 589423.

It is an arithmetic number, because the mean of its divisors is an integer number (16796475).

Almost surely, 2^87223726 is an apocalyptic number.

87223726 is a deficient number, since it is larger than the sum of its proper divisors (47148074).

87223726 is a wasteful number, since it uses less digits than its factorization.

87223726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178738.

The product of its digits is 56448, while the sum is 37.

The square root of 87223726 is about 9339.3643252633. The cubic root of 87223726 is about 443.4842610227.

The spelling of 87223726 in words is "eighty-seven million, two hundred twenty-three thousand, seven hundred twenty-six".