78619424087 has 8 divisors (see below), whose sum is σ = 79032441312. Its totient is φ = 78206548000.

The previous prime is 78619424053. The next prime is 78619424099. The reversal of 78619424087 is 78042491687.

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 78619424087 - 2²² = 78615229783 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 (78619424687) 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, 1193462 + ... + 1257612.

It is an arithmetic number, because the mean of its divisors is an integer number (9879055164).

Almost surely, 2^78619424087 is an apocalyptic number.

78619424087 is a deficient number, since it is larger than the sum of its proper divisors (413017225).

78619424087 is a wasteful number, since it uses less digits than its factorization.

78619424087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70569.

The product of its (nonzero) digits is 5419008, while the sum is 56.

The spelling of 78619424087 in words is "seventy-eight billion, six hundred nineteen million, four hundred twenty-four thousand, eighty-seven".