27798132502 has 8 divisors (see below), whose sum is σ = 47653941456. Its totient is φ = 11913485352.

The previous prime is 27798132473. The next prime is 27798132521. The reversal of 27798132502 is 20523189772.

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

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, 992790433 + ... + 992790460.

It is an arithmetic number, because the mean of its divisors is an integer number (5956742682).

Almost surely, 2^27798132502 is an apocalyptic number.

27798132502 is a deficient number, since it is larger than the sum of its proper divisors (19855808954).

27798132502 is a wasteful number, since it uses less digits than its factorization.

27798132502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985580902.

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 27798132502 in words is "twenty-seven billion, seven hundred ninety-eight million, one hundred thirty-two thousand, five hundred two".