2498779854 has 40 divisors (see below), whose sum is σ = 5602179000. Its totient is φ = 832471344.

The previous prime is 2498779763. The next prime is 2498779873. The reversal of 2498779854 is 4589778942.

2498779854 is a `hidden beast` number, since 2 + 498 + 7 + 7 + 98 + 54 = 666.

2498779854 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2498779854² = 12487801517512522632, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2498779791 and 2498779800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 431772 + ... + 437520.

It is an arithmetic number, because the mean of its divisors is an integer number (140054475).

Almost surely, 2^2498779854 is an apocalyptic number.

2498779854 is an abundant number, since it is smaller than the sum of its proper divisors (3103399146).

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

2498779854 is a wasteful number, since it uses less digits than its factorization.

2498779854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8446 (or 8437 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 63.

The square root of 2498779854 is about 49987.7970508803. The cubic root of 2498779854 is about 1356.9879733136.

The spelling of 2498779854 in words is "two billion, four hundred ninety-eight million, seven hundred seventy-nine thousand, eight hundred fifty-four".