1977000108 has 48 divisors (see below), whose sum is σ = 4913685504. Its totient is φ = 616510720.

The previous prime is 1977000083. The next prime is 1977000119. The reversal of 1977000108 is 8010007791.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5053 + ... + 63083.

It is an arithmetic number, because the mean of its divisors is an integer number (102368448).

Almost surely, 2^1977000108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1977000108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2456842752).

1977000108 is an abundant number, since it is smaller than the sum of its proper divisors (2936685396).

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

1977000108 is a wasteful number, since it uses less digits than its factorization.

1977000108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58222 (or 58220 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 33.

The square root of 1977000108 is about 44463.4693653116. The cubic root of 1977000108 is about 1255.0727423538.

Adding to 1977000108 its reverse (8010007791), we get a palindrome (9987007899).

The spelling of 1977000108 in words is "one billion, nine hundred seventy-seven million, one hundred eight", and thus it is an aban number.