707878 has 4 divisors (see below), whose sum is σ = 1061820. Its totient is φ = 353938.

The previous prime is 707873. The next prime is 707887. The reversal of 707878 is 878707.

707878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 878707 = 293 ⋅2999.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (707873) by changing a digit.

707878 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176968 + ... + 176971.

It is an arithmetic number, because the mean of its divisors is an integer number (265455).

2⁷⁰⁷⁸⁷⁸ is an apocalyptic number.

707878 is a deficient number, since it is larger than the sum of its proper divisors (353942).

707878 is a wasteful number, since it uses less digits than its factorization.

707878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353941.

The product of its (nonzero) digits is 21952, while the sum is 37.

The square root of 707878 is about 841.3548597352. The cubic root of 707878 is about 89.1222492065.

The spelling of 707878 in words is "seven hundred seven thousand, eight hundred seventy-eight".