87678375526843 has 16 divisors (see below), whose sum is σ = 93181505690880. Its totient is φ = 82214205106176.

The previous prime is 87678375526603. The next prime is 87678375526867. The reversal of 87678375526843 is 34862557387678.

It is a de Polignac number, because none of the positive numbers 2^k-87678375526843 is a prime.

It is a super-2 number, since 2×87678375526843² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87678375526543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3790830 + ... + 13774147.

It is an arithmetic number, because the mean of its divisors is an integer number (5823844105680).

Almost surely, 2^{87678375526843} is an apocalyptic number.

87678375526843 is a deficient number, since it is larger than the sum of its proper divisors (5503130164037).

87678375526843 is a wasteful number, since it uses less digits than its factorization.

87678375526843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17566086.

The product of its digits is 11379916800, while the sum is 79.

The spelling of 87678375526843 in words is "eighty-seven trillion, six hundred seventy-eight billion, three hundred seventy-five million, five hundred twenty-six thousand, eight hundred forty-three".