72119327977 has 8 divisors (see below), whose sum is σ = 72809150400. Its totient is φ = 71429798544.

The previous prime is 72119327971. The next prime is 72119328023. The reversal of 72119327977 is 77972391127.

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

It is a cyclic number.

It is not a de Polignac number, because 72119327977 - 2³¹ = 69971844329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72119327971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438399 + ... + 580027.

It is an arithmetic number, because the mean of its divisors is an integer number (9101143800).

Almost surely, 2^72119327977 is an apocalyptic number.

It is an amenable number.

72119327977 is a deficient number, since it is larger than the sum of its proper divisors (689822423).

72119327977 is a wasteful number, since it uses less digits than its factorization.

72119327977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146495.

The product of its digits is 2333772, while the sum is 55.

The spelling of 72119327977 in words is "seventy-two billion, one hundred nineteen million, three hundred twenty-seven thousand, nine hundred seventy-seven".