708845139 has 6 divisors (see below), whose sum is σ = 1023887436. Its totient is φ = 472563420.

The previous prime is 708845131. The next prime is 708845143. The reversal of 708845139 is 931548807.

It is not a de Polignac number, because 708845139 - 2³ = 708845131 is a prime.

It is a super-2 number, since 2×708845139² = 1004922862167858642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 708845094 and 708845103.

It is not an unprimeable number, because it can be changed into a prime (708845131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39380277 + ... + 39380294.

It is an arithmetic number, because the mean of its divisors is an integer number (170647906).

Almost surely, 2^708845139 is an apocalyptic number.

708845139 is a deficient number, since it is larger than the sum of its proper divisors (315042297).

708845139 is a wasteful number, since it uses less digits than its factorization.

708845139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78760577 (or 78760574 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 708845139 is about 26624.1457891141. The cubic root of 708845139 is about 891.6281852241.

The spelling of 708845139 in words is "seven hundred eight million, eight hundred forty-five thousand, one hundred thirty-nine".