977881419534 has 16 divisors (see below), whose sum is σ = 2040796006272. Its totient is φ = 311788278648.

The previous prime is 977881419439. The next prime is 977881419539. The reversal of 977881419534 is 435914188779.

It is a congruent number.

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, 3543048484 + ... + 3543048759.

It is an arithmetic number, because the mean of its divisors is an integer number (127549750392).

Almost surely, 2^977881419534 is an apocalyptic number.

977881419534 is an abundant number, since it is smaller than the sum of its proper divisors (1062914586738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

977881419534 is a wasteful number, since it uses less digits than its factorization.

977881419534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7086097271.

The product of its digits is 60963840, while the sum is 66.

The spelling of 977881419534 in words is "nine hundred seventy-seven billion, eight hundred eighty-one million, four hundred nineteen thousand, five hundred thirty-four".