87651514740 has 96 divisors (see below), whose sum is σ = 248619571200. Its totient is φ = 23070911616.

The previous prime is 87651514739. The next prime is 87651514747. The reversal of 87651514740 is 4741515678.

It is a self number, because there is not a number n which added to its sum of digits gives 87651514740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87651514747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1874161 + ... + 1920359.

It is an arithmetic number, because the mean of its divisors is an integer number (2589787200).

Almost surely, 2^87651514740 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 87651514740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124309785600).

87651514740 is an abundant number, since it is smaller than the sum of its proper divisors (160968056460).

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

87651514740 is a wasteful number, since it uses less digits than its factorization.

87651514740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46621 (or 46619 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 48.

The spelling of 87651514740 in words is "eighty-seven billion, six hundred fifty-one million, five hundred fourteen thousand, seven hundred forty".