85423192770 has 32 divisors (see below), whose sum is σ = 205116851520. Its totient is φ = 22768274880.

The previous prime is 85423192759. The next prime is 85423192801. The reversal of 85423192770 is 7729132458.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640816 + ... + 762555.

It is an arithmetic number, because the mean of its divisors is an integer number (6409901610).

Almost surely, 2^85423192770 is an apocalyptic number.

85423192770 is an abundant number, since it is smaller than the sum of its proper divisors (119693658750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85423192770 is a wasteful number, since it uses less digits than its factorization.

85423192770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405410.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 85423192770 in words is "eighty-five billion, four hundred twenty-three million, one hundred ninety-two thousand, seven hundred seventy".