468518778 has 96 divisors (see below), whose sum is σ = 1261967616. Its totient is φ = 122321664.

The previous prime is 468518741. The next prime is 468518789. The reversal of 468518778 is 877815864.

It is a happy number.

It is a super-2 number, since 2×468518778² = 439019690677226568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 167326 + ... + 170102.

It is an arithmetic number, because the mean of its divisors is an integer number (13145496).

Almost surely, 2^468518778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 468518778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630983808).

468518778 is an abundant number, since it is smaller than the sum of its proper divisors (793448838).

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

468518778 is a wasteful number, since it uses less digits than its factorization.

468518778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908 (or 2905 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 54.

The square root of 468518778 is about 21645.2945925899. The cubic root of 468518778 is about 776.6803791677.

The spelling of 468518778 in words is "four hundred sixty-eight million, five hundred eighteen thousand, seven hundred seventy-eight".