87670098285 has 128 divisors (see below), whose sum is σ = 189480259584. Its totient is φ = 33493340160.

The previous prime is 87670098161. The next prime is 87670098287. The reversal of 87670098285 is 58289007678.

It is not a de Polignac number, because 87670098285 - 2⁹ = 87670097773 is a prime.

It is a super-2 number, since 2×87670098285² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87670098287) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 792387 + ... + 896223.

It is an arithmetic number, because the mean of its divisors is an integer number (1480314528).

Almost surely, 2^87670098285 is an apocalyptic number.

87670098285 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

87670098285 is an abundant number, since it is smaller than the sum of its proper divisors (101810161299).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87670098285 is a wasteful number, since it uses less digits than its factorization.

87670098285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103923.

The product of its (nonzero) digits is 13547520, while the sum is 60.

The spelling of 87670098285 in words is "eighty-seven billion, six hundred seventy million, ninety-eight thousand, two hundred eighty-five".