85867802231376 has 320 divisors, whose sum is σ = 256537720535040. Its totient is φ = 24493203947520.

The previous prime is 85867802231371. The next prime is 85867802231429. The reversal of 85867802231376 is 67313220876858.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85867802231371) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 820918536 + ... + 821023128.

It is an arithmetic number, because the mean of its divisors is an integer number (801680376672).

Almost surely, 2^{85867802231376} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85867802231376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128268860267520).

85867802231376 is an abundant number, since it is smaller than the sum of its proper divisors (170669918303664).

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

85867802231376 is a wasteful number, since it uses less digits than its factorization.

85867802231376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105714 (or 105708 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 66.

The spelling of 85867802231376 in words is "eighty-five trillion, eight hundred sixty-seven billion, eight hundred two million, two hundred thirty-one thousand, three hundred seventy-six".