498078278964 has 108 divisors (see below), whose sum is σ = 1550739608964. Its totient is φ = 133937008128.

The previous prime is 498078278963. The next prime is 498078278983. The reversal of 498078278964 is 469872870894.

498078278964 is a `hidden beast` number, since 498 + 0 + 7 + 8 + 2 + 78 + 9 + 64 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 270795344400 + 227282934564 = 520380^2 + 476742^2 .

It is a junction number, because it is equal to n+sod(n) for n = 498078278892 and 498078278901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498078278963) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8274639 + ... + 8334614.

It is an arithmetic number, because the mean of its divisors is an integer number (14358700083).

Almost surely, 2^498078278964 is an apocalyptic number.

It is an amenable number.

498078278964 is an abundant number, since it is smaller than the sum of its proper divisors (1052661330000).

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

498078278964 is a wasteful number, since it uses less digits than its factorization.

498078278964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16609294 (or 16609282 counting only the distinct ones).

The product of its (nonzero) digits is 390168576, while the sum is 72.

The spelling of 498078278964 in words is "four hundred ninety-eight billion, seventy-eight million, two hundred seventy-eight thousand, nine hundred sixty-four".