1977192905032 has 32 divisors (see below), whose sum is σ = 3726843425280. Its totient is φ = 983369088000.

The previous prime is 1977192904961. The next prime is 1977192905057. The reversal of 1977192905032 is 2305092917791.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15535657 + ... + 15662407.

It is an arithmetic number, because the mean of its divisors is an integer number (116463857040).

Almost surely, 2^{1977192905032} is an apocalyptic number.

It is an amenable number.

1977192905032 is a deficient number, since it is larger than the sum of its proper divisors (1749650520248).

1977192905032 is a wasteful number, since it uses less digits than its factorization.

1977192905032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137053 (or 137049 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 55.

The spelling of 1977192905032 in words is "one trillion, nine hundred seventy-seven billion, one hundred ninety-two million, nine hundred five thousand, thirty-two".