308606857854 has 8 divisors (see below), whose sum is σ = 617213715720. Its totient is φ = 102868952616.

The previous prime is 308606857829. The next prime is 308606857901. The reversal of 308606857854 is 458758606803.

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

308606857854 is an admirable number.

It is a super-2 number, since 2×308606857854² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25717238149 + ... + 25717238160.

It is an arithmetic number, because the mean of its divisors is an integer number (77151714465).

Almost surely, 2^308606857854 is an apocalyptic number.

308606857854 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

308606857854 is a wasteful number, since it uses less digits than its factorization.

308606857854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51434476314.

The product of its (nonzero) digits is 38707200, while the sum is 60.

The spelling of 308606857854 in words is "three hundred eight billion, six hundred six million, eight hundred fifty-seven thousand, eight hundred fifty-four".