87026397 has 8 divisors (see below), whose sum is σ = 116085120. Its totient is φ = 57992640.

The previous prime is 87026389. The next prime is 87026431. The reversal of 87026397 is 79362078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87026397 - 2³ = 87026389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87026377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4572 + ... + 13962.

It is an arithmetic number, because the mean of its divisors is an integer number (14510640).

Almost surely, 2^87026397 is an apocalyptic number.

It is an amenable number.

87026397 is a deficient number, since it is larger than the sum of its proper divisors (29058723).

87026397 is a wasteful number, since it uses less digits than its factorization.

87026397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12483.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 87026397 is about 9328.7939734995. The cubic root of 87026397 is about 443.1495723365.

The spelling of 87026397 in words is "eighty-seven million, twenty-six thousand, three hundred ninety-seven".