977613 has 16 divisors (see below), whose sum is σ = 1604736. Its totient is φ = 515520.

The previous prime is 977611. The next prime is 977629. The reversal of 977613 is 316779.

It is not a de Polignac number, because 977613 - 2¹ = 977611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1518 + ... + 2063.

It is an arithmetic number, because the mean of its divisors is an integer number (100296).

2⁹⁷⁷⁶¹³ is an apocalyptic number.

It is an amenable number.

977613 is a deficient number, since it is larger than the sum of its proper divisors (627123).

977613 is a wasteful number, since it uses less digits than its factorization.

977613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604.

The product of its digits is 7938, while the sum is 33.

The square root of 977613 is about 988.7431415691. The cubic root of 977613 is about 99.2481277154.

The spelling of 977613 in words is "nine hundred seventy-seven thousand, six hundred thirteen".