2516463878 has 8 divisors (see below), whose sum is σ = 3809973672. Its totient is φ = 1246472656.

The previous prime is 2516463877. The next prime is 2516463881. The reversal of 2516463878 is 8783646152.

2516463878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2516463878³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516463877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5879375 + ... + 5879802.

It is an arithmetic number, because the mean of its divisors is an integer number (476246709).

Almost surely, 2^2516463878 is an apocalyptic number.

2516463878 is a deficient number, since it is larger than the sum of its proper divisors (1293509794).

2516463878 is a wasteful number, since it uses less digits than its factorization.

2516463878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11759286.

The product of its digits is 1935360, while the sum is 50.

The square root of 2516463878 is about 50164.3686096018. The cubic root of 2516463878 is about 1360.1816146590.

The spelling of 2516463878 in words is "two billion, five hundred sixteen million, four hundred sixty-three thousand, eight hundred seventy-eight".