78462653748151 has 4 divisors (see below), whose sum is σ = 78463321615872. Its totient is φ = 78461985880432.

The previous prime is 78462653748139. The next prime is 78462653748161. The reversal of 78462653748151 is 15184735626487.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78462653748151 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 (78462653748121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333757606 + ... + 333992611.

It is an arithmetic number, because the mean of its divisors is an integer number (19615830403968).

Almost surely, 2^{78462653748151} is an apocalyptic number.

78462653748151 is a deficient number, since it is larger than the sum of its proper divisors (667867721).

78462653748151 is a wasteful number, since it uses less digits than its factorization.

78462653748151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667867720.

The product of its digits is 270950400, while the sum is 67.

The spelling of 78462653748151 in words is "seventy-eight trillion, four hundred sixty-two billion, six hundred fifty-three million, seven hundred forty-eight thousand, one hundred fifty-one".