78827865246 has 48 divisors (see below), whose sum is σ = 186946992960. Its totient is φ = 23857104960.

The previous prime is 78827865229. The next prime is 78827865269. The reversal of 78827865246 is 64256872887.

78827865246 is a `hidden beast` number, since 7 + 8 + 8 + 27 + 86 + 524 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2746966 + ... + 2775513.

It is an arithmetic number, because the mean of its divisors is an integer number (3894729020).

Almost surely, 2^78827865246 is an apocalyptic number.

78827865246 is an abundant number, since it is smaller than the sum of its proper divisors (108119127714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78827865246 is a wasteful number, since it uses less digits than its factorization.

78827865246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5522561 (or 5522558 counting only the distinct ones).

The product of its digits is 72253440, while the sum is 63.

The spelling of 78827865246 in words is "seventy-eight billion, eight hundred twenty-seven million, eight hundred sixty-five thousand, two hundred forty-six".