1897672296976 has 10 divisors (see below), whose sum is σ = 3676740075422. Its totient is φ = 948836148480.

The previous prime is 1897672296967. The next prime is 1897672296991. The reversal of 1897672296976 is 6796922767981.

It can be written as a sum of positive squares in only one way, i.e., 1866174566400 + 31497730576 = 1366080^2 + 177476^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1897672296896 and 1897672296905.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59302259265 + ... + 59302259296.

Almost surely, 2^{1897672296976} is an apocalyptic number.

1897672296976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1897672296976 is a deficient number, since it is larger than the sum of its proper divisors (1779067778446).

1897672296976 is a wasteful number, since it uses less digits than its factorization.

1897672296976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118604518569 (or 118604518563 counting only the distinct ones).

The product of its digits is 1728324864, while the sum is 79.

The spelling of 1897672296976 in words is "one trillion, eight hundred ninety-seven billion, six hundred seventy-two million, two hundred ninety-six thousand, nine hundred seventy-six".