977109826447142 has 8 divisors (see below), whose sum is σ = 1466565578483016. Its totient is φ = 488254633619472.

The previous prime is 977109826447087. The next prime is 977109826447147. The reversal of 977109826447142 is 241744628901779.

977109826447142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×977109826447142² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977109826447147) 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, 150139797983 + ... + 150139804490.

It is an arithmetic number, because the mean of its divisors is an integer number (183320697310377).

Almost surely, 2^{977109826447142} is an apocalyptic number.

977109826447142 is a deficient number, since it is larger than the sum of its proper divisors (489455752035874).

977109826447142 is a wasteful number, since it uses less digits than its factorization.

977109826447142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300279604102.

The product of its (nonzero) digits is 341397504, while the sum is 71.

The spelling of 977109826447142 in words is "nine hundred seventy-seven trillion, one hundred nine billion, eight hundred twenty-six million, four hundred forty-seven thousand, one hundred forty-two".