981260894885 has 8 divisors (see below), whose sum is σ = 1179299895840. Its totient is φ = 783817501264.

The previous prime is 981260894863. The next prime is 981260894897. The reversal of 981260894885 is 588498062189.

981260894885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 981260894885 - 2⁸ = 981260894629 is a prime.

It is a super-2 number, since 2×981260894885² (a number of 25 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 7 ways as a sum of consecutive naturals, for example, 148898207 + ... + 148904796.

It is an arithmetic number, because the mean of its divisors is an integer number (147412486980).

Almost surely, 2^981260894885 is an apocalyptic number.

It is an amenable number.

981260894885 is a deficient number, since it is larger than the sum of its proper divisors (198039000955).

981260894885 is a wasteful number, since it uses less digits than its factorization.

981260894885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297803667.

The product of its (nonzero) digits is 79626240, while the sum is 68.

The spelling of 981260894885 in words is "nine hundred eighty-one billion, two hundred sixty million, eight hundred ninety-four thousand, eight hundred eighty-five".