27312927636390 has 256 divisors, whose sum is σ = 74552163609600. Its totient is φ = 6343357798400.

The previous prime is 27312927636359. The next prime is 27312927636409. The reversal of 27312927636390 is 9363672921372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 842689285 + ... + 842721695.

It is an arithmetic number, because the mean of its divisors is an integer number (291219389100).

Almost surely, 2^{27312927636390} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27312927636390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37276081804800).

27312927636390 is an abundant number, since it is smaller than the sum of its proper divisors (47239235973210).

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

27312927636390 is a wasteful number, since it uses less digits than its factorization.

27312927636390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33143.

The product of its (nonzero) digits is 30862944, while the sum is 60.

The spelling of 27312927636390 in words is "twenty-seven trillion, three hundred twelve billion, nine hundred twenty-seven million, six hundred thirty-six thousand, three hundred ninety".