86881942 has 16 divisors (see below), whose sum is σ = 150388992. Its totient is φ = 36873000.

The previous prime is 86881939. The next prime is 86881943. The reversal of 86881942 is 24918868.

It is a junction number, because it is equal to n+sod(n) for n = 86881892 and 86881901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86881943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28684 + ... + 31567.

It is an arithmetic number, because the mean of its divisors is an integer number (9399312).

Almost surely, 2^86881942 is an apocalyptic number.

86881942 is a deficient number, since it is larger than the sum of its proper divisors (63507050).

86881942 is a wasteful number, since it uses less digits than its factorization.

86881942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60363.

The product of its digits is 221184, while the sum is 46.

The square root of 86881942 is about 9321.0483315988. The cubic root of 86881942 is about 442.9042420845.

It can be divided in two parts, 8688194 and 2, that added together give a triangular number (8688196 = T₄₁₆₈).

The spelling of 86881942 in words is "eighty-six million, eight hundred eighty-one thousand, nine hundred forty-two".