87393069 has 12 divisors (see below), whose sum is σ = 128920896. Its totient is φ = 57022152.

The previous prime is 87393049. The next prime is 87393079. The reversal of 87393069 is 96039378.

It is a happy number.

It is not a de Polignac number, because 87393069 - 2¹¹ = 87391021 is a prime.

It is a super-2 number, since 2×87393069² = 15275097018477522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87393029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102879 + ... + 103724.

It is an arithmetic number, because the mean of its divisors is an integer number (10743408).

Almost surely, 2^87393069 is an apocalyptic number.

It is an amenable number.

87393069 is a deficient number, since it is larger than the sum of its proper divisors (41527827).

87393069 is a wasteful number, since it uses less digits than its factorization.

87393069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206656 (or 206653 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 87393069 is about 9348.4260172502. The cubic root of 87393069 is about 443.7710805564.

The spelling of 87393069 in words is "eighty-seven million, three hundred ninety-three thousand, sixty-nine".