78825252887 has 8 divisors (see below), whose sum is σ = 78975733536. Its totient is φ = 78674861952.

The previous prime is 78825252853. The next prime is 78825252943.

78825252887 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 78825252887 - 2¹⁰ = 78825251863 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 (78825252827) 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, 1889963 + ... + 1931219.

It is an arithmetic number, because the mean of its divisors is an integer number (9871966692).

Almost surely, 2^78825252887 is an apocalyptic number.

78825252887 is a deficient number, since it is larger than the sum of its proper divisors (150480649).

78825252887 is a wasteful number, since it uses less digits than its factorization.

78825252887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44857.

The product of its digits is 40140800, while the sum is 62.

The spelling of 78825252887 in words is "seventy-eight billion, eight hundred twenty-five million, two hundred fifty-two thousand, eight hundred eighty-seven".