986886987776 has 112 divisors (see below), whose sum is σ = 2046208128048. Its totient is φ = 475594752000.

The previous prime is 986886987761. The next prime is 986886987791. The reversal of 986886987776 is 677789688689.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (986886987761) and next prime (986886987791).

It is a junction number, because it is equal to n+sod(n) for n = 986886987691 and 986886987700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27859676 + ... + 27895076.

It is an arithmetic number, because the mean of its divisors is an integer number (18269715429).

Almost surely, 2^986886987776 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 986886987776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1023104064024).

986886987776 is an abundant number, since it is smaller than the sum of its proper divisors (1059321140272).

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

986886987776 is an equidigital number, since it uses as much as digits as its factorization.

986886987776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35551 (or 35527 counting only the distinct ones).

The product of its digits is 24580620288, while the sum is 89.

The spelling of 986886987776 in words is "nine hundred eighty-six billion, eight hundred eighty-six million, nine hundred eighty-seven thousand, seven hundred seventy-six".