77038272219 has 4 divisors (see below), whose sum is σ = 102717696296. Its totient is φ = 51358848144.

The previous prime is 77038272217. The next prime is 77038272229. The reversal of 77038272219 is 91227283077.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 77038272219 - 2¹ = 77038272217 is a prime.

It is a super-2 number, since 2×77038272219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77038272217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12839712034 + ... + 12839712039.

It is an arithmetic number, because the mean of its divisors is an integer number (25679424074).

Almost surely, 2^77038272219 is an apocalyptic number.

77038272219 is a deficient number, since it is larger than the sum of its proper divisors (25679424077).

77038272219 is a wasteful number, since it uses less digits than its factorization.

77038272219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25679424076.

The product of its (nonzero) digits is 592704, while the sum is 48.

The spelling of 77038272219 in words is "seventy-seven billion, thirty-eight million, two hundred seventy-two thousand, two hundred nineteen".