78767061455 has 8 divisors (see below), whose sum is σ = 94535763552. Its totient is φ = 63003455968.

The previous prime is 78767061431. The next prime is 78767061479. The reversal of 78767061455 is 55416076787.

It is an interprime number because it is at equal distance from previous prime (78767061431) and next prime (78767061479).

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 78767061455 - 2¹² = 78767057359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78767061455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1240067 + ... + 1302036.

It is an arithmetic number, because the mean of its divisors is an integer number (11816970444).

Almost surely, 2^78767061455 is an apocalyptic number.

78767061455 is a deficient number, since it is larger than the sum of its proper divisors (15768702097).

78767061455 is a wasteful number, since it uses less digits than its factorization.

78767061455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548305.

The product of its (nonzero) digits is 9878400, while the sum is 56.

The spelling of 78767061455 in words is "seventy-eight billion, seven hundred sixty-seven million, sixty-one thousand, four hundred fifty-five".