1979055067 has 18 divisors (see below), whose sum is σ = 2295892284. Its totient is φ = 1704411720.

The previous prime is 1979055059. The next prime is 1979055077. The reversal of 1979055067 is 7605509791.

It is not a de Polignac number, because 1979055067 - 2³ = 1979055059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1979055067.

It is not an unprimeable number, because it can be changed into a prime (1979055037) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21028 + ... + 66334.

Almost surely, 2^1979055067 is an apocalyptic number.

1979055067 is a deficient number, since it is larger than the sum of its proper divisors (316837217).

1979055067 is a wasteful number, since it uses less digits than its factorization.

1979055067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45367 (or 45337 counting only the distinct ones).

The product of its (nonzero) digits is 595350, while the sum is 49.

The square root of 1979055067 is about 44486.5717604762. The cubic root of 1979055067 is about 1255.5074464162.

The spelling of 1979055067 in words is "one billion, nine hundred seventy-nine million, fifty-five thousand, sixty-seven".