465561528878 has 16 divisors (see below), whose sum is σ = 735183870720. Its totient is φ = 220503129336.

The previous prime is 465561528877. The next prime is 465561528959. The reversal of 465561528878 is 878825165564.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465561528877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394376 + ... + 1042427.

It is an arithmetic number, because the mean of its divisors is an integer number (45948991920).

Almost surely, 2^465561528878 is an apocalyptic number.

465561528878 is a deficient number, since it is larger than the sum of its proper divisors (269622341842).

465561528878 is a wasteful number, since it uses less digits than its factorization.

465561528878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445351.

The product of its digits is 129024000, while the sum is 65.

The spelling of 465561528878 in words is "four hundred sixty-five billion, five hundred sixty-one million, five hundred twenty-eight thousand, eight hundred seventy-eight".