19116077 has 4 divisors (see below), whose sum is σ = 19136736. Its totient is φ = 19095420.

The previous prime is 19116061. The next prime is 19116089. The reversal of 19116077 is 77061191.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19116077 - 2⁴ = 19116061 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 (19116277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8873 + ... + 10814.

It is an arithmetic number, because the mean of its divisors is an integer number (4784184).

Almost surely, 2^19116077 is an apocalyptic number.

It is an amenable number.

19116077 is a deficient number, since it is larger than the sum of its proper divisors (20659).

19116077 is an equidigital number, since it uses as much as digits as its factorization.

19116077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20658.

The product of its (nonzero) digits is 2646, while the sum is 32.

The square root of 19116077 is about 4372.1936141941. The cubic root of 19116077 is about 267.3824656156.

The spelling of 19116077 in words is "nineteen million, one hundred sixteen thousand, seventy-seven".