2507878 has 8 divisors (see below), whose sum is σ = 3768768. Its totient is φ = 1251624.

The previous prime is 2507863. The next prime is 2507881. The reversal of 2507878 is 8787052.

2507878 is nontrivially palindromic in base 4.

2507878 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000 + ... + 2452.

It is an arithmetic number, because the mean of its divisors is an integer number (471096).

2^2507878 is an apocalyptic number.

2507878 is a deficient number, since it is larger than the sum of its proper divisors (1260890).

2507878 is a wasteful number, since it uses less digits than its factorization.

2507878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 2507878 is about 1583.6281129104. The cubic root of 2507878 is about 135.8632925583.

It can be divided in two parts, 250 and 7878, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 2507878 in words is "two million, five hundred seven thousand, eight hundred seventy-eight".