27958135925 has 12 divisors (see below), whose sum is σ = 34849602816. Its totient is φ = 22249402800.

The previous prime is 27958135889. The next prime is 27958135999. The reversal of 27958135925 is 52953185972.

It is a happy number.

It is not a de Polignac number, because 27958135925 - 2¹² = 27958131829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2922779 + ... + 2932328.

It is an arithmetic number, because the mean of its divisors is an integer number (2904133568).

Almost surely, 2^27958135925 is an apocalyptic number.

27958135925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27958135925 is a deficient number, since it is larger than the sum of its proper divisors (6891466891).

27958135925 is a wasteful number, since it uses less digits than its factorization.

27958135925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5855308 (or 5855303 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 56.

The spelling of 27958135925 in words is "twenty-seven billion, nine hundred fifty-eight million, one hundred thirty-five thousand, nine hundred twenty-five".