87794251776 has 432 divisors, whose sum is σ = 321815796120. Its totient is φ = 22801121280.

The previous prime is 87794251751. The next prime is 87794251781. The reversal of 87794251776 is 67715249778.

87794251776 is a `hidden beast` number, since 8 + 7 + 7 + 9 + 42 + 517 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9930430 + ... + 9939266.

Almost surely, 2^87794251776 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 87794251776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160907898060).

87794251776 is an abundant number, since it is smaller than the sum of its proper divisors (234021544344).

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

87794251776 is a wasteful number, since it uses less digits than its factorization.

87794251776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8890 (or 8860 counting only the distinct ones).

The product of its digits is 41489280, while the sum is 63.

The spelling of 87794251776 in words is "eighty-seven billion, seven hundred ninety-four million, two hundred fifty-one thousand, seven hundred seventy-six".