85743148638 has 32 divisors (see below), whose sum is σ = 197718725376. Its totient is φ = 24281244288.

The previous prime is 85743148637. The next prime is 85743148649. The reversal of 85743148638 is 83684134758.

It is a super-2 number, since 2×85743148638² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85743148637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9028456 + ... + 9037947.

It is an arithmetic number, because the mean of its divisors is an integer number (6178710168).

Almost surely, 2^85743148638 is an apocalyptic number.

85743148638 is an abundant number, since it is smaller than the sum of its proper divisors (111975576738).

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

85743148638 is a wasteful number, since it uses less digits than its factorization.

85743148638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18066528.

The product of its digits is 15482880, while the sum is 57.

The spelling of 85743148638 in words is "eighty-five billion, seven hundred forty-three million, one hundred forty-eight thousand, six hundred thirty-eight".