27851012700 has 72 divisors (see below), whose sum is σ = 92094022272. Its totient is φ = 6365945280.

The previous prime is 27851012669. The next prime is 27851012723. The reversal of 27851012700 is 721015872.

It is a super-2 number, since 2×27851012700² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6629094 + ... + 6633293.

Almost surely, 2^27851012700 is an apocalyptic number.

27851012700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27851012700 is an abundant number, since it is smaller than the sum of its proper divisors (64243009572).

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

27851012700 is a wasteful number, since it uses less digits than its factorization.

27851012700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13262411 (or 13262404 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 33.

The spelling of 27851012700 in words is "twenty-seven billion, eight hundred fifty-one million, twelve thousand, seven hundred".