8427761742 has 16 divisors (see below), whose sum is σ = 17399250432. Its totient is φ = 2718632760.

The previous prime is 8427761701. The next prime is 8427761767. The reversal of 8427761742 is 2471677248.

It is a junction number, because it is equal to n+sod(n) for n = 8427761691 and 8427761700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22655088 + ... + 22655459.

It is an arithmetic number, because the mean of its divisors is an integer number (1087453152).

Almost surely, 2^8427761742 is an apocalyptic number.

8427761742 is an abundant number, since it is smaller than the sum of its proper divisors (8971488690).

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

8427761742 is a wasteful number, since it uses less digits than its factorization.

8427761742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45310583.

The product of its digits is 1053696, while the sum is 48.

The square root of 8427761742 is about 91802.8416880436. The cubic root of 8427761742 is about 2035.0296902179.

The spelling of 8427761742 in words is "eight billion, four hundred twenty-seven million, seven hundred sixty-one thousand, seven hundred forty-two".