10977344981 has 8 divisors (see below), whose sum is σ = 11576469600. Its totient is φ = 10380357360.

The previous prime is 10977344969. The next prime is 10977345007. The reversal of 10977344981 is 18944377901.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10977344981 is a prime.

It is a super-2 number, since 2×10977344981² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10977344951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523691 + ... + 544248.

It is an arithmetic number, because the mean of its divisors is an integer number (1447058700).

Almost surely, 2^10977344981 is an apocalyptic number.

It is an amenable number.

10977344981 is a deficient number, since it is larger than the sum of its proper divisors (599124619).

10977344981 is a wasteful number, since it uses less digits than its factorization.

10977344981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068499.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 10977344981 in words is "ten billion, nine hundred seventy-seven million, three hundred forty-four thousand, nine hundred eighty-one".