2578379895 has 192 divisors, whose sum is σ = 5982412800. Its totient is φ = 996572160.

The previous prime is 2578379863. The next prime is 2578379897. The reversal of 2578379895 is 5989738752.

2578379895 is a `hidden beast` number, since 257 + 8 + 379 + 8 + 9 + 5 = 666.

It is not a de Polignac number, because 2578379895 - 2⁵ = 2578379863 is a prime.

It is a super-2 number, since 2×2578379895² = 13296085765880422050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2578379897) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2411421 + ... + 2412489.

It is an arithmetic number, because the mean of its divisors is an integer number (31158400).

Almost surely, 2^2578379895 is an apocalyptic number.

2578379895 is an abundant number, since it is smaller than the sum of its proper divisors (3404032905).

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

2578379895 is a wasteful number, since it uses less digits than its factorization.

2578379895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150 (or 1147 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 63.

The square root of 2578379895 is about 50777.7499993846. The cubic root of 2578379895 is about 1371.2468261064.

The spelling of 2578379895 in words is "two billion, five hundred seventy-eight million, three hundred seventy-nine thousand, eight hundred ninety-five".