977291607043 has 4 divisors (see below), whose sum is σ = 977371067488. Its totient is φ = 977212146600.

The previous prime is 977291607029. The next prime is 977291607151. The reversal of 977291607043 is 340706192779.

977291607043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-977291607043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (977291601043) 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, 39711771 + ... + 39736372.

It is an arithmetic number, because the mean of its divisors is an integer number (244342766872).

Almost surely, 2^977291607043 is an apocalyptic number.

977291607043 is a deficient number, since it is larger than the sum of its proper divisors (79460445).

977291607043 is a wasteful number, since it uses less digits than its factorization.

977291607043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79460444.

The product of its (nonzero) digits is 4000752, while the sum is 55.

The spelling of 977291607043 in words is "nine hundred seventy-seven billion, two hundred ninety-one million, six hundred seven thousand, forty-three".