179147040397 has 16 divisors (see below), whose sum is σ = 199208880640. Its totient is φ = 159985627200.

The previous prime is 179147040389. The next prime is 179147040409. The reversal of 179147040397 is 793040741971.

It is a cyclic number.

It is not a de Polignac number, because 179147040397 - 2³ = 179147040389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (179147041397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1364254 + ... + 1489792.

It is an arithmetic number, because the mean of its divisors is an integer number (12450555040).

Almost surely, 2^179147040397 is an apocalyptic number.

It is an amenable number.

179147040397 is a deficient number, since it is larger than the sum of its proper divisors (20061840243).

179147040397 is a wasteful number, since it uses less digits than its factorization.

179147040397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129124.

The product of its (nonzero) digits is 1333584, while the sum is 52.

The spelling of 179147040397 in words is "one hundred seventy-nine billion, one hundred forty-seven million, forty thousand, three hundred ninety-seven".