87883921464 has 64 divisors (see below), whose sum is σ = 223674672000. Its totient is φ = 28767553920.

The previous prime is 87883921459. The next prime is 87883921471. The reversal of 87883921464 is 46412938878.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 87883921398 and 87883921407.

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, 857727 + ... + 954705.

It is an arithmetic number, because the mean of its divisors is an integer number (3494916750).

Almost surely, 2^87883921464 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 87883921464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111837336000).

87883921464 is an abundant number, since it is smaller than the sum of its proper divisors (135790750536).

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

87883921464 is a wasteful number, since it uses less digits than its factorization.

87883921464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97668 (or 97664 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 60.

The spelling of 87883921464 in words is "eighty-seven billion, eight hundred eighty-three million, nine hundred twenty-one thousand, four hundred sixty-four".