8387051982 has 32 divisors (see below), whose sum is σ = 17566682112. Its totient is φ = 2664466464.

The previous prime is 8387051927. The next prime is 8387051989. The reversal of 8387051982 is 2891507838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8387051989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71478 + ... + 147929.

It is an arithmetic number, because the mean of its divisors is an integer number (548958816).

Almost surely, 2^8387051982 is an apocalyptic number.

8387051982 is an abundant number, since it is smaller than the sum of its proper divisors (9179630130).

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

8387051982 is a wasteful number, since it uses less digits than its factorization.

8387051982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219712.

The product of its (nonzero) digits is 967680, while the sum is 51.

The square root of 8387051982 is about 91580.8494282511. The cubic root of 8387051982 is about 2031.7477068022.

The spelling of 8387051982 in words is "eight billion, three hundred eighty-seven million, fifty-one thousand, nine hundred eighty-two".