78853767461 has 8 divisors (see below), whose sum is σ = 92316606144. Its totient is φ = 65940432480.

The previous prime is 78853767439. The next prime is 78853767467. The reversal of 78853767461 is 16476735887.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78853767461 is a prime.

It is a super-3 number, since 3×78853767461³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78853767394 and 78853767403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78853767467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137375615 + ... + 137376188.

It is an arithmetic number, because the mean of its divisors is an integer number (11539575768).

Almost surely, 2^78853767461 is an apocalyptic number.

It is an amenable number.

78853767461 is a deficient number, since it is larger than the sum of its proper divisors (13462838683).

78853767461 is a wasteful number, since it uses less digits than its factorization.

78853767461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274751851.

The product of its digits is 47416320, while the sum is 62.

The spelling of 78853767461 in words is "seventy-eight billion, eight hundred fifty-three million, seven hundred sixty-seven thousand, four hundred sixty-one".