87026109 has 16 divisors (see below), whose sum is σ = 121948992. Its totient is φ = 55133568.

The previous prime is 87026101. The next prime is 87026113. The reversal of 87026109 is 90162078.

It is not a de Polignac number, because 87026109 - 2³ = 87026101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87026109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87026101) 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, 4344 + ... + 13889.

It is an arithmetic number, because the mean of its divisors is an integer number (7621812).

Almost surely, 2^87026109 is an apocalyptic number.

It is an amenable number.

87026109 is a deficient number, since it is larger than the sum of its proper divisors (34922883).

87026109 is a wasteful number, since it uses less digits than its factorization.

87026109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18316.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 87026109 is about 9328.7785374078. The cubic root of 87026109 is about 443.1490834917.

The spelling of 87026109 in words is "eighty-seven million, twenty-six thousand, one hundred nine".