83887358719 has 8 divisors (see below), whose sum is σ = 84667736160. Its totient is φ = 83109417216.

The previous prime is 83887358677. The next prime is 83887358743. The reversal of 83887358719 is 91785378838.

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

It is a cyclic number.

It is not a de Polignac number, because 83887358719 - 2⁷ = 83887358591 is a prime.

It is a super-2 number, since 2×83887358719² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83887358119) 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, 539754 + ... + 677575.

It is an arithmetic number, because the mean of its divisors is an integer number (10583467020).

Almost surely, 2^83887358719 is an apocalyptic number.

83887358719 is a deficient number, since it is larger than the sum of its proper divisors (780377441).

83887358719 is a wasteful number, since it uses less digits than its factorization.

83887358719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217969.

The product of its digits is 81285120, while the sum is 67.

The spelling of 83887358719 in words is "eighty-three billion, eight hundred eighty-seven million, three hundred fifty-eight thousand, seven hundred nineteen".