87026208831872 has 128 divisors (see below), whose sum is σ = 187277919998400. Its totient is φ = 40128510689280.

The previous prime is 87026208831851. The next prime is 87026208831907. The reversal of 87026208831872 is 27813880262078.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×87026208831872² (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, 88196597 + ... + 89177867.

Almost surely, 2^{87026208831872} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87026208831872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93638959999200).

87026208831872 is an abundant number, since it is smaller than the sum of its proper divisors (100251711166528).

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

87026208831872 is a wasteful number, since it uses less digits than its factorization.

87026208831872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982124 (or 982112 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 62.

The spelling of 87026208831872 in words is "eighty-seven trillion, twenty-six billion, two hundred eight million, eight hundred thirty-one thousand, eight hundred seventy-two".