87865102 has 8 divisors (see below), whose sum is σ = 141935976. Its totient is φ = 40553112.

The previous prime is 87865093. The next prime is 87865103. The reversal of 87865102 is 20156878.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×87865102² = 15440552298940808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87865103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1689688 + ... + 1689739.

It is an arithmetic number, because the mean of its divisors is an integer number (17741997).

Almost surely, 2^87865102 is an apocalyptic number.

87865102 is a deficient number, since it is larger than the sum of its proper divisors (54070874).

87865102 is a wasteful number, since it uses less digits than its factorization.

87865102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3379442.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 87865102 is about 9373.6386744956. The cubic root of 87865102 is about 444.5686212234.

The spelling of 87865102 in words is "eighty-seven million, eight hundred sixty-five thousand, one hundred two".