986061368781 has 24 divisors (see below), whose sum is σ = 1501538448384. Its totient is φ = 622633114080.

The previous prime is 986061368771. The next prime is 986061368807. The reversal of 986061368781 is 187863160689.

986061368781 is a `hidden beast` number, since 9 + 8 + 6 + 0 + 613 + 6 + 8 + 7 + 8 + 1 = 666.

It is not a de Polignac number, because 986061368781 - 2⁶ = 986061368717 is a prime.

It is a super-2 number, since 2×986061368781² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (986061368701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37585506 + ... + 37611731.

It is an arithmetic number, because the mean of its divisors is an integer number (62564102016).

Almost surely, 2^986061368781 is an apocalyptic number.

It is an amenable number.

986061368781 is a deficient number, since it is larger than the sum of its proper divisors (515477079603).

986061368781 is a wasteful number, since it uses less digits than its factorization.

986061368781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75197321 (or 75197318 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 986061368781 in words is "nine hundred eighty-six billion, sixty-one million, three hundred sixty-eight thousand, seven hundred eighty-one".