425877648 has 80 divisors (see below), whose sum is σ = 1272585216. Its totient is φ = 120205440.

The previous prime is 425877643. The next prime is 425877679. The reversal of 425877648 is 846778524.

It is a self number, because there is not a number n which added to its sum of digits gives 425877648.

It is not an unprimeable number, because it can be changed into a prime (425877643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20253 + ... + 35523.

Almost surely, 2^425877648 is an apocalyptic number.

425877648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425877648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636292608).

425877648 is an abundant number, since it is smaller than the sum of its proper divisors (846707568).

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

425877648 is a wasteful number, since it uses less digits than its factorization.

425877648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15372 (or 15366 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 51.

The square root of 425877648 is about 20636.8032408123. The cubic root of 425877648 is about 752.3644773842.

The spelling of 425877648 in words is "four hundred twenty-five million, eight hundred seventy-seven thousand, six hundred forty-eight".