27958028070 has 32 divisors (see below), whose sum is σ = 76684877568. Its totient is φ = 6390406368.

The previous prime is 27958028041. The next prime is 27958028081. The reversal of 27958028070 is 7082085972.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66566524 + ... + 66566943.

It is an arithmetic number, because the mean of its divisors is an integer number (2396402424).

Almost surely, 2^27958028070 is an apocalyptic number.

27958028070 is an abundant number, since it is smaller than the sum of its proper divisors (48726849498).

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

27958028070 is a wasteful number, since it uses less digits than its factorization.

27958028070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133133484.

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 27958028070 in words is "twenty-seven billion, nine hundred fifty-eight million, twenty-eight thousand, seventy".