87021506285364 has 48 divisors (see below), whose sum is σ = 239543071072256. Its totient is φ = 24061245976800.

The previous prime is 87021506285341. The next prime is 87021506285387. The reversal of 87021506285364 is 46358260512078.

It is an interprime number because it is at equal distance from previous prime (87021506285341) and next prime (87021506285387).

It is a super-2 number, since 2×87021506285364² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16709195992 + ... + 16709201199.

Almost surely, 2^{87021506285364} is an apocalyptic number.

87021506285364 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

87021506285364 is an abundant number, since it is smaller than the sum of its proper divisors (152521564786892).

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

87021506285364 is a wasteful number, since it uses less digits than its factorization.

87021506285364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33418397236 (or 33418397234 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 57.

The spelling of 87021506285364 in words is "eighty-seven trillion, twenty-one billion, five hundred six million, two hundred eighty-five thousand, three hundred sixty-four".