2478763966554 has 48 divisors (see below), whose sum is σ = 5381666222400. Its totient is φ = 824561337600.

The previous prime is 2478763966541. The next prime is 2478763966621. The reversal of 2478763966554 is 4556693678742.

It is a happy number.

2478763966554 is a `hidden beast` number, since 2 + 4 + 7 + 8 + 7 + 6 + 3 + 9 + 66 + 554 = 666.

It is a super-2 number, since 2×2478763966554² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48722122 + ... + 48772970.

It is an arithmetic number, because the mean of its divisors is an integer number (112118046300).

Almost surely, 2^{2478763966554} is an apocalyptic number.

2478763966554 is an abundant number, since it is smaller than the sum of its proper divisors (2902902255846).

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

2478763966554 is a wasteful number, since it uses less digits than its factorization.

2478763966554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56355 (or 56352 counting only the distinct ones).

The product of its digits is 1828915200, while the sum is 72.

The spelling of 2478763966554 in words is "two trillion, four hundred seventy-eight billion, seven hundred sixty-three million, nine hundred sixty-six thousand, five hundred fifty-four".