977511987153 has 24 divisors (see below), whose sum is σ = 1521157496040. Its totient is φ = 601315084800.

The previous prime is 977511987149. The next prime is 977511987211. The reversal of 977511987153 is 351789115779.

It can be written as a sum of positive squares in 4 ways, for example, as 183999818304 + 793512168849 = 428952^2 + 890793^2 .

It is not a de Polignac number, because 977511987153 - 2² = 977511987149 is a prime.

It is not an unprimeable number, because it can be changed into a prime (977511987553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1295898 + ... + 1906403.

It is an arithmetic number, because the mean of its divisors is an integer number (63381562335).

Almost surely, 2^977511987153 is an apocalyptic number.

It is an amenable number.

977511987153 is a deficient number, since it is larger than the sum of its proper divisors (543645508887).

977511987153 is a wasteful number, since it uses less digits than its factorization.

977511987153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204929 (or 3204926 counting only the distinct ones).

The product of its digits is 16669800, while the sum is 63.

The spelling of 977511987153 in words is "nine hundred seventy-seven billion, five hundred eleven million, nine hundred eighty-seven thousand, one hundred fifty-three".