8661293854 has 8 divisors (see below), whose sum is σ = 13148470440. Its totient is φ = 4278470376.

The previous prime is 8661293843. The next prime is 8661293863. The reversal of 8661293854 is 4583921668.

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

It is a super-2 number, since 2×8661293854² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26088069 + ... + 26088400.

It is an arithmetic number, because the mean of its divisors is an integer number (1643558805).

Almost surely, 2^8661293854 is an apocalyptic number.

8661293854 is a deficient number, since it is larger than the sum of its proper divisors (4487176586).

8661293854 is a wasteful number, since it uses less digits than its factorization.

8661293854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52176554.

The product of its digits is 2488320, while the sum is 52.

The square root of 8661293854 is about 93066.0725183995. The cubic root of 8661293854 is about 2053.6554927618.

The spelling of 8661293854 in words is "eight billion, six hundred sixty-one million, two hundred ninety-three thousand, eight hundred fifty-four".