78828419365 has 16 divisors (see below), whose sum is σ = 102487733568. Its totient is φ = 57972854016.

The previous prime is 78828419333. The next prime is 78828419393. The reversal of 78828419365 is 56391482887.

It is a cyclic number.

It is not a de Polignac number, because 78828419365 - 2⁵ = 78828419333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10779987 + ... + 10787296.

It is an arithmetic number, because the mean of its divisors is an integer number (6405483348).

Almost surely, 2^78828419365 is an apocalyptic number.

It is an amenable number.

78828419365 is a deficient number, since it is larger than the sum of its proper divisors (23659314203).

78828419365 is a wasteful number, since it uses less digits than its factorization.

78828419365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21567348.

The product of its digits is 23224320, while the sum is 61.

The spelling of 78828419365 in words is "seventy-eight billion, eight hundred twenty-eight million, four hundred nineteen thousand, three hundred sixty-five".