85429864375 has 10 divisors (see below), whose sum is σ = 106753159304. Its totient is φ = 68343891000.

The previous prime is 85429864337. The next prime is 85429864393. The reversal of 85429864375 is 57346892458.

It is a de Polignac number, because none of the positive numbers 2^k-85429864375 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 68343267 + ... + 68344516.

Almost surely, 2^85429864375 is an apocalyptic number.

85429864375 is a deficient number, since it is larger than the sum of its proper divisors (21323294929).

85429864375 is an equidigital number, since it uses as much as digits as its factorization.

85429864375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136687803 (or 136687788 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 61.

The spelling of 85429864375 in words is "eighty-five billion, four hundred twenty-nine million, eight hundred sixty-four thousand, three hundred seventy-five".