87229373 has 16 divisors (see below), whose sum is σ = 109165056. Its totient is φ = 67713840.

The previous prime is 87229367. The next prime is 87229447. The reversal of 87229373 is 37392278.

It is a cyclic number.

It is not a de Polignac number, because 87229373 - 2¹⁶ = 87163837 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 87229373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87229973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19790 + ... + 23792.

It is an arithmetic number, because the mean of its divisors is an integer number (6822816).

Almost surely, 2^87229373 is an apocalyptic number.

It is an amenable number.

87229373 is a deficient number, since it is larger than the sum of its proper divisors (21935683).

87229373 is a wasteful number, since it uses less digits than its factorization.

87229373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4304.

The product of its digits is 127008, while the sum is 41.

The square root of 87229373 is about 9339.6666428733. Note that the first 4 decimals coincide. The cubic root of 87229373 is about 443.4938314370.

The spelling of 87229373 in words is "eighty-seven million, two hundred twenty-nine thousand, three hundred seventy-three".