87258347 has 4 divisors (see below), whose sum is σ = 95190936. Its totient is φ = 79325760.

The previous prime is 87258329. The next prime is 87258401. The reversal of 87258347 is 74385278.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87258347 - 2⁸ = 87258091 is a prime.

It is a super-2 number, since 2×87258347² = 15228038242344818, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87258298 and 87258307.

It is not an unprimeable number, because it can be changed into a prime (87258547) 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, 3966278 + ... + 3966299.

It is an arithmetic number, because the mean of its divisors is an integer number (23797734).

Almost surely, 2^87258347 is an apocalyptic number.

87258347 is a deficient number, since it is larger than the sum of its proper divisors (7932589).

87258347 is a wasteful number, since it uses less digits than its factorization.

87258347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7932588.

The product of its digits is 376320, while the sum is 44.

The square root of 87258347 is about 9341.2176401152. The cubic root of 87258347 is about 443.5429294543.

The spelling of 87258347 in words is "eighty-seven million, two hundred fifty-eight thousand, three hundred forty-seven".