977881419532 has 24 divisors (see below), whose sum is σ = 1764137163600. Its totient is φ = 474069275136.

The previous prime is 977881419439. The next prime is 977881419539. The reversal of 977881419532 is 235914188779.

977881419532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (977881419539) 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, 28363357 + ... + 28397812.

It is an arithmetic number, because the mean of its divisors is an integer number (73505715150).

Almost surely, 2^977881419532 is an apocalyptic number.

It is an amenable number.

977881419532 is a deficient number, since it is larger than the sum of its proper divisors (786255744068).

977881419532 is a wasteful number, since it uses less digits than its factorization.

977881419532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56761305 (or 56761303 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 64.

The spelling of 977881419532 in words is "nine hundred seventy-seven billion, eight hundred eighty-one million, four hundred nineteen thousand, five hundred thirty-two".