83578675998 has 8 divisors (see below), whose sum is σ = 167157352008. Its totient is φ = 27859558664.

The previous prime is 83578675993. The next prime is 83578676033. The reversal of 83578675998 is 89957687538.

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

83578675998 is an admirable number.

It is a super-2 number, since 2×83578675998² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83578675993) 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, 6964889661 + ... + 6964889672.

It is an arithmetic number, because the mean of its divisors is an integer number (20894669001).

Almost surely, 2^83578675998 is an apocalyptic number.

83578675998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

83578675998 is a wasteful number, since it uses less digits than its factorization.

83578675998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13929779338.

The product of its digits is 914457600, while the sum is 75.

The spelling of 83578675998 in words is "eighty-three billion, five hundred seventy-eight million, six hundred seventy-five thousand, nine hundred ninety-eight".