808428078 has 48 divisors (see below), whose sum is σ = 1798248816. Its totient is φ = 262327680.

The previous prime is 808428077. The next prime is 808428083. The reversal of 808428078 is 870824808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808428077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 451501 + ... + 453287.

It is an arithmetic number, because the mean of its divisors is an integer number (37463517).

Almost surely, 2^808428078 is an apocalyptic number.

808428078 is an abundant number, since it is smaller than the sum of its proper divisors (989820738).

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

808428078 is a wasteful number, since it uses less digits than its factorization.

808428078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449 (or 2446 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 45.

The square root of 808428078 is about 28432.8696757819. The cubic root of 808428078 is about 931.5663579433.

The spelling of 808428078 in words is "eight hundred eight million, four hundred twenty-eight thousand, seventy-eight".