86542002 has 48 divisors (see below), whose sum is σ = 199449432. Its totient is φ = 27025920.

The previous prime is 86541989. The next prime is 86542037. The reversal of 86542002 is 20024568.

86542002 is a `hidden beast` number, since 8 + 654 + 2 + 0 + 0 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 74494161 + 12047841 = 8631^2 + 3471^2 .

It is a super-2 number, since 2×86542002² = 14979036220336008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84252 + ... + 85272.

Almost surely, 2^86542002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86542002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99724716).

86542002 is an abundant number, since it is smaller than the sum of its proper divisors (112907430).

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

86542002 is a wasteful number, since it uses less digits than its factorization.

86542002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323 (or 1320 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 86542002 is about 9302.7953863342. The cubic root of 86542002 is about 442.3258416431.

The spelling of 86542002 in words is "eighty-six million, five hundred forty-two thousand, two".