79487305519 has 2 divisors, whose sum is σ = 79487305520. Its totient is φ = 79487305518.

The previous prime is 79487305489. The next prime is 79487305523. The reversal of 79487305519 is 91550378497.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79487305519 is a prime.

It is a super-2 number, since 2×79487305519² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79487315519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39743652759 + 39743652760.

It is an arithmetic number, because the mean of its divisors is an integer number (39743652760).

Almost surely, 2^79487305519 is an apocalyptic number.

79487305519 is a deficient number, since it is larger than the sum of its proper divisors (1).

79487305519 is an equidigital number, since it uses as much as digits as its factorization.

79487305519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9525600, while the sum is 58.

The spelling of 79487305519 in words is "seventy-nine billion, four hundred eighty-seven million, three hundred five thousand, five hundred nineteen".