8672110777242 has 128 divisors (see below), whose sum is σ = 21351792326400. Its totient is φ = 2608727552640.

The previous prime is 8672110777237. The next prime is 8672110777261. The reversal of 8672110777242 is 2427770112768.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9406384 + ... + 10287092.

It is an arithmetic number, because the mean of its divisors is an integer number (166810877550).

Almost surely, 2^{8672110777242} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8672110777242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10675896163200).

8672110777242 is an abundant number, since it is smaller than the sum of its proper divisors (12679681549158).

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

8672110777242 is a wasteful number, since it uses less digits than its factorization.

8672110777242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880890 (or 880862 counting only the distinct ones).

The product of its (nonzero) digits is 3687936, while the sum is 54.

The spelling of 8672110777242 in words is "eight trillion, six hundred seventy-two billion, one hundred ten million, seven hundred seventy-seven thousand, two hundred forty-two".