705079887 has 8 divisors (see below), whose sum is σ = 940629504. Its totient is φ = 469791768.

The previous prime is 705079883. The next prime is 705079897. The reversal of 705079887 is 788970507.

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

It is not a de Polignac number, because 705079887 - 2² = 705079883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705079883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58993 + ... + 69930.

It is an arithmetic number, because the mean of its divisors is an integer number (117578688).

Almost surely, 2^705079887 is an apocalyptic number.

705079887 is a deficient number, since it is larger than the sum of its proper divisors (235549617).

705079887 is a wasteful number, since it uses less digits than its factorization.

705079887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130749.

The product of its (nonzero) digits is 987840, while the sum is 51.

The square root of 705079887 is about 26553.3404113305. The cubic root of 705079887 is about 890.0466612745.

The spelling of 705079887 in words is "seven hundred five million, seventy-nine thousand, eight hundred eighty-seven".