8642880254 has 4 divisors (see below), whose sum is σ = 12964320384. Its totient is φ = 4321440126.

The previous prime is 8642880251. The next prime is 8642880263. The reversal of 8642880254 is 4520882468.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8642880199 and 8642880208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8642880251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160720062 + ... + 2160720065.

It is an arithmetic number, because the mean of its divisors is an integer number (3241080096).

Almost surely, 2^8642880254 is an apocalyptic number.

8642880254 is a deficient number, since it is larger than the sum of its proper divisors (4321440130).

8642880254 is a wasteful number, since it uses less digits than its factorization.

8642880254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4321440129.

The product of its (nonzero) digits is 983040, while the sum is 47.

The square root of 8642880254 is about 92967.0923176583. The cubic root of 8642880254 is about 2052.1991275802.

The spelling of 8642880254 in words is "eight billion, six hundred forty-two million, eight hundred eighty thousand, two hundred fifty-four".