78425935476 has 48 divisors (see below), whose sum is σ = 211090392576. Its totient is φ = 22197992544.

The previous prime is 78425935439. The next prime is 78425935481. The reversal of 78425935476 is 67453952487.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4353826 + ... + 4371801.

It is an arithmetic number, because the mean of its divisors is an integer number (4397716512).

Almost surely, 2^78425935476 is an apocalyptic number.

It is an amenable number.

78425935476 is an abundant number, since it is smaller than the sum of its proper divisors (132664457100).

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

78425935476 is a wasteful number, since it uses less digits than its factorization.

78425935476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8725748 (or 8725746 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 60.

The spelling of 78425935476 in words is "seventy-eight billion, four hundred twenty-five million, nine hundred thirty-five thousand, four hundred seventy-six".