88671780864 has 322 divisors, whose sum is σ = 275062423530. Its totient is φ = 28538044416.

The previous prime is 88671780797. The next prime is 88671780871. The reversal of 88671780864 is 46808717688.

It can be written as a sum of positive squares in only one way, i.e., 76441190400 + 12230590464 = 276480^2 + 110592^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 3057647602 + ... + 3057647630.

Almost surely, 2^88671780864 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 88671780864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137531211765).

88671780864 is an abundant number, since it is smaller than the sum of its proper divisors (186390642666).

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

88671780864 is an frugal number, since it uses more digits than its factorization.

88671780864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 63.

The spelling of 88671780864 in words is "eighty-eight billion, six hundred seventy-one million, seven hundred eighty thousand, eight hundred sixty-four".