27708958958 has 16 divisors (see below), whose sum is σ = 43590713760. Its totient is φ = 13184836896.

The previous prime is 27708958939. The next prime is 27708959023. The reversal of 27708958958 is 85985980772.

It is a super-2 number, since 2×27708958958² (a number of 22 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1519793 + ... + 1537916.

It is an arithmetic number, because the mean of its divisors is an integer number (2724419610).

Almost surely, 2^27708958958 is an apocalyptic number.

27708958958 is a deficient number, since it is larger than the sum of its proper divisors (15881754802).

27708958958 is a wasteful number, since it uses less digits than its factorization.

27708958958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057931.

The product of its (nonzero) digits is 101606400, while the sum is 68.

The spelling of 27708958958 in words is "twenty-seven billion, seven hundred eight million, nine hundred fifty-eight thousand, nine hundred fifty-eight".