85783109862 has 32 divisors (see below), whose sum is σ = 184146836832. Its totient is φ = 26543683584.

The previous prime is 85783109833. The next prime is 85783109891. The reversal of 85783109862 is 26890138758.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (85783109833) and next prime (85783109891).

It is a congruent 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, 5752903 + ... + 5767794.

It is an arithmetic number, because the mean of its divisors is an integer number (5754588651).

Almost surely, 2^85783109862 is an apocalyptic number.

85783109862 is an abundant number, since it is smaller than the sum of its proper divisors (98363726970).

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

85783109862 is a wasteful number, since it uses less digits than its factorization.

85783109862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11520792.

The product of its (nonzero) digits is 5806080, while the sum is 57.

The spelling of 85783109862 in words is "eighty-five billion, seven hundred eighty-three million, one hundred nine thousand, eight hundred sixty-two".