87255470213 has 8 divisors (see below), whose sum is σ = 87631800960. Its totient is φ = 86879257920.

The previous prime is 87255470171. The next prime is 87255470221. The reversal of 87255470213 is 31207455278.

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

It is a cyclic number.

It is not a de Polignac number, because 87255470213 - 2⁸ = 87255469957 is a prime.

It is a super-2 number, since 2×87255470213² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87255470513) 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, 1651106 + ... + 1703132.

It is an arithmetic number, because the mean of its divisors is an integer number (10953975120).

Almost surely, 2^87255470213 is an apocalyptic number.

It is an amenable number.

87255470213 is a deficient number, since it is larger than the sum of its proper divisors (376330747).

87255470213 is a wasteful number, since it uses less digits than its factorization.

87255470213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59227.

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 87255470213 in words is "eighty-seven billion, two hundred fifty-five million, four hundred seventy thousand, two hundred thirteen".