977441309441 has 4 divisors (see below), whose sum is σ = 977443941312. Its totient is φ = 977438677572.

The previous prime is 977441309347. The next prime is 977441309459. The reversal of 977441309441 is 144903144779.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-977441309441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (977441309461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644741 + ... + 1539666.

It is an arithmetic number, because the mean of its divisors is an integer number (244360985328).

Almost surely, 2^977441309441 is an apocalyptic number.

It is an amenable number.

977441309441 is a deficient number, since it is larger than the sum of its proper divisors (2631871).

977441309441 is a wasteful number, since it uses less digits than its factorization.

977441309441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631870.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 977441309441 in words is "nine hundred seventy-seven billion, four hundred forty-one million, three hundred nine thousand, four hundred forty-one".