8461623854 has 8 divisors (see below), whose sum is σ = 12818103768. Its totient is φ = 4188922600.

The previous prime is 8461623853. The next prime is 8461623881. The reversal of 8461623854 is 4583261648.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 8461623799 and 8461623808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8461623853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20944412 + ... + 20944815.

It is an arithmetic number, because the mean of its divisors is an integer number (1602262971).

Almost surely, 2^8461623854 is an apocalyptic number.

8461623854 is a deficient number, since it is larger than the sum of its proper divisors (4356479914).

8461623854 is a wasteful number, since it uses less digits than its factorization.

8461623854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41889330.

The product of its digits is 1105920, while the sum is 47.

The square root of 8461623854 is about 91987.0852565728. The cubic root of 8461623854 is about 2037.7515800305.

The spelling of 8461623854 in words is "eight billion, four hundred sixty-one million, six hundred twenty-three thousand, eight hundred fifty-four".