1979482977398 has 8 divisors (see below), whose sum is σ = 2987440567608. Its totient is φ = 983669454864.

The previous prime is 1979482977341. The next prime is 1979482977413. The reversal of 1979482977398 is 8937792849791.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3036016511 + ... + 3036017162.

It is an arithmetic number, because the mean of its divisors is an integer number (373430070951).

Almost surely, 2^{1979482977398} is an apocalyptic number.

1979482977398 is a deficient number, since it is larger than the sum of its proper divisors (1007957590210).

1979482977398 is a wasteful number, since it uses less digits than its factorization.

1979482977398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6072033838.

The product of its digits is 3456649728, while the sum is 83.

Adding to 1979482977398 its sum of digits (83), we get a square (1979482977481 = 1406941²).

The spelling of 1979482977398 in words is "one trillion, nine hundred seventy-nine billion, four hundred eighty-two million, nine hundred seventy-seven thousand, three hundred ninety-eight".