34787678742 has 32 divisors (see below), whose sum is σ = 77393806560. Its totient is φ = 11582714880.

The previous prime is 34787678701. The next prime is 34787678743. The reversal of 34787678742 is 24787678743.

It is a self number, because there is not a number n which added to its sum of digits gives 34787678742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34787678743) 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, 318043 + ... + 413190.

It is an arithmetic number, because the mean of its divisors is an integer number (2418556455).

Almost surely, 2^34787678742 is an apocalyptic number.

34787678742 is an abundant number, since it is smaller than the sum of its proper divisors (42606127818).

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

34787678742 is a wasteful number, since it uses less digits than its factorization.

34787678742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732125 (or 732119 counting only the distinct ones).

The product of its digits is 88510464, while the sum is 63.

Subtracting from 34787678742 its reverse (24787678743), we obtain a palindrome (9999999999).

The spelling of 34787678742 in words is "thirty-four billion, seven hundred eighty-seven million, six hundred seventy-eight thousand, seven hundred forty-two".