86884942 has 4 divisors (see below), whose sum is σ = 130327416. Its totient is φ = 43442470.

The previous prime is 86884939. The next prime is 86884979. The reversal of 86884942 is 24948868.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21721234 + ... + 21721237.

It is an arithmetic number, because the mean of its divisors is an integer number (32581854).

Almost surely, 2^86884942 is an apocalyptic number.

86884942 is a deficient number, since it is larger than the sum of its proper divisors (43442474).

86884942 is a wasteful number, since it uses less digits than its factorization.

86884942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43442473.

The product of its digits is 884736, while the sum is 49.

The square root of 86884942 is about 9321.2092563143. The cubic root of 86884942 is about 442.9093397968.

The spelling of 86884942 in words is "eighty-six million, eight hundred eighty-four thousand, nine hundred forty-two".