78047674087 has 8 divisors (see below), whose sum is σ = 81261955152. Its totient is φ = 74895806400.

The previous prime is 78047674079. The next prime is 78047674091.

It is a happy number.

78047674087 is nontrivially palindromic in base 10.

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 78047674087 - 2³ = 78047674079 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 (78047674387) 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, 15600793 + ... + 15605794.

It is an arithmetic number, because the mean of its divisors is an integer number (10157744394).

Almost surely, 2^78047674087 is an apocalyptic number.

78047674087 is a deficient number, since it is larger than the sum of its proper divisors (3214281065).

78047674087 is a wasteful number, since it uses less digits than its factorization.

78047674087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31206689.

The product of its (nonzero) digits is 14751744, while the sum is 58.

The spelling of 78047674087 in words is "seventy-eight billion, forty-seven million, six hundred seventy-four thousand, eighty-seven".