1977060996 has 72 divisors (see below), whose sum is σ = 5141170944. Its totient is φ = 640347840.

The previous prime is 1977060983. The next prime is 1977061003. The reversal of 1977060996 is 6990607791.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176845 + ... + 187691.

It is an arithmetic number, because the mean of its divisors is an integer number (71405152).

Almost surely, 2^1977060996 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 1977060996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2570585472).

1977060996 is an abundant number, since it is smaller than the sum of its proper divisors (3164109948).

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

1977060996 is a wasteful number, since it uses less digits than its factorization.

1977060996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11001 (or 10996 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 54.

The square root of 1977060996 is about 44464.1540569479. The cubic root of 1977060996 is about 1255.0856268725.

The spelling of 1977060996 in words is "one billion, nine hundred seventy-seven million, sixty thousand, nine hundred ninety-six".