86669142043 has 16 divisors (see below), whose sum is σ = 97267412736. Its totient is φ = 76552950240.

The previous prime is 86669142037. The next prime is 86669142061. The reversal of 86669142043 is 34024196668.

It is a cyclic number.

It is not a de Polignac number, because 86669142043 - 2¹⁷ = 86669010971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86669142643) 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, 661605 + ... + 781702.

It is an arithmetic number, because the mean of its divisors is an integer number (6079213296).

Almost surely, 2^86669142043 is an apocalyptic number.

86669142043 is a deficient number, since it is larger than the sum of its proper divisors (10598270693).

86669142043 is a wasteful number, since it uses less digits than its factorization.

86669142043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443474.

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 86669142043 in words is "eighty-six billion, six hundred sixty-nine million, one hundred forty-two thousand, forty-three".