78826262887 has 8 divisors (see below), whose sum is σ = 80390905920. Its totient is φ = 77264484960.

The previous prime is 78826262831. The next prime is 78826262903.

78826262887 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 78826262887 - 2⁷ = 78826262759 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 (78826266887) 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, 660664 + ... + 770797.

It is an arithmetic number, because the mean of its divisors is an integer number (10048863240).

Almost surely, 2^78826262887 is an apocalyptic number.

78826262887 is a deficient number, since it is larger than the sum of its proper divisors (1564643033).

78826262887 is a wasteful number, since it uses less digits than its factorization.

78826262887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432553.

The product of its digits is 57802752, while the sum is 64.

The spelling of 78826262887 in words is "seventy-eight billion, eight hundred twenty-six million, two hundred sixty-two thousand, eight hundred eighty-seven".