86961898 has 8 divisors (see below), whose sum is σ = 137308320. Its totient is φ = 41192460.

The previous prime is 86961893. The next prime is 86961899. The reversal of 86961898 is 89816968.

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

It is not an unprimeable number, because it can be changed into a prime (86961893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1144198 + ... + 1144273.

It is an arithmetic number, because the mean of its divisors is an integer number (17163540).

Almost surely, 2^86961898 is an apocalyptic number.

86961898 is a deficient number, since it is larger than the sum of its proper divisors (50346422).

86961898 is a wasteful number, since it uses less digits than its factorization.

86961898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288492.

The product of its digits is 1492992, while the sum is 55.

The square root of 86961898 is about 9325.3363478215. The cubic root of 86961898 is about 443.0400662194.

The spelling of 86961898 in words is "eighty-six million, nine hundred sixty-one thousand, eight hundred ninety-eight".