87226575 has 72 divisors (see below), whose sum is σ = 160556688. Its totient is φ = 41610240.

The previous prime is 87226567. The next prime is 87226583. The reversal of 87226575 is 57562278.

It is an interprime number because it is at equal distance from previous prime (87226567) and next prime (87226583).

It is not a de Polignac number, because 87226575 - 2³ = 87226567 is a prime.

Its product of digits (235200) is a multiple of the sum of its prime divisors (105).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2028504 + ... + 2028546.

It is an arithmetic number, because the mean of its divisors is an integer number (2229954).

Almost surely, 2^87226575 is an apocalyptic number.

87226575 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

87226575 is a deficient number, since it is larger than the sum of its proper divisors (73330113).

87226575 is a wasteful number, since it uses less digits than its factorization.

87226575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 105 counting only the distinct ones).

The product of its digits is 235200, while the sum is 42.

The square root of 87226575 is about 9339.5168504586. The cubic root of 87226575 is about 443.4890894983.

The spelling of 87226575 in words is "eighty-seven million, two hundred twenty-six thousand, five hundred seventy-five".