87026217 has 4 divisors (see below), whose sum is σ = 116034960. Its totient is φ = 58017476.

The previous prime is 87026201. The next prime is 87026243. The reversal of 87026217 is 71262078.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87026217 - 2⁴ = 87026201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87026287) 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, 14504367 + ... + 14504372.

It is an arithmetic number, because the mean of its divisors is an integer number (29008740).

Almost surely, 2^87026217 is an apocalyptic number.

It is an amenable number.

87026217 is a deficient number, since it is larger than the sum of its proper divisors (29008743).

87026217 is a wasteful number, since it uses less digits than its factorization.

87026217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29008742.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 87026217 is about 9328.7843259452. The cubic root of 87026217 is about 443.1492668086.

The spelling of 87026217 in words is "eighty-seven million, twenty-six thousand, two hundred seventeen".