85323666463858 has 16 divisors (see below), whose sum is σ = 128584112283864. Its totient is φ = 42462555688960.

The previous prime is 85323666463759. The next prime is 85323666463877. The reversal of 85323666463858 is 85836466632358.

It can be written as a sum of positive squares in 4 ways, for example, as 81966097641169 + 3357568822689 = 9053513^2 + 1832367^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64339453 + ... + 65652208.

Almost surely, 2^{85323666463858} is an apocalyptic number.

85323666463858 is a deficient number, since it is larger than the sum of its proper divisors (43260445820006).

85323666463858 is a wasteful number, since it uses less digits than its factorization.

85323666463858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129993197.

The product of its digits is 3583180800, while the sum is 73.

The spelling of 85323666463858 in words is "eighty-five trillion, three hundred twenty-three billion, six hundred sixty-six million, four hundred sixty-three thousand, eight hundred fifty-eight".