2578794807 has 8 divisors (see below), whose sum is σ = 3447612784. Its totient is φ = 1714586688.

The previous prime is 2578794791. The next prime is 2578794901. The reversal of 2578794807 is 7084978752.

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

It is not a de Polignac number, because 2578794807 - 2⁴ = 2578794791 is a prime.

It is a super-2 number, since 2×2578794807² = 13300365313220334498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2578794307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1151158 + ... + 1153395.

It is an arithmetic number, because the mean of its divisors is an integer number (430951598).

Almost surely, 2^2578794807 is an apocalyptic number.

2578794807 is a deficient number, since it is larger than the sum of its proper divisors (868817977).

2578794807 is a wasteful number, since it uses less digits than its factorization.

2578794807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304929.

The product of its (nonzero) digits is 7902720, while the sum is 57.

The square root of 2578794807 is about 50781.8354040104. The cubic root of 2578794807 is about 1371.3203756828.

The spelling of 2578794807 in words is "two billion, five hundred seventy-eight million, seven hundred ninety-four thousand, eight hundred seven".