527087663781 has 64 divisors (see below), whose sum is σ = 887766220800. Its totient is φ = 271039481856.

The previous prime is 527087663741. The next prime is 527087663881. The reversal of 527087663781 is 187366780725.

It is a happy number.

It is not a de Polignac number, because 527087663781 - 2⁶ = 527087663717 is a prime.

It is a super-2 number, since 2×527087663781² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (527087663731) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22313905 + ... + 22337513.

It is an arithmetic number, because the mean of its divisors is an integer number (13871347200).

Almost surely, 2^527087663781 is an apocalyptic number.

527087663781 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

527087663781 is a deficient number, since it is larger than the sum of its proper divisors (360678557019).

527087663781 is a wasteful number, since it uses less digits than its factorization.

527087663781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26378.

The product of its (nonzero) digits is 23708160, while the sum is 60.

The spelling of 527087663781 in words is "five hundred twenty-seven billion, eighty-seven million, six hundred sixty-three thousand, seven hundred eighty-one".