258763085 has 48 divisors (see below), whose sum is σ = 376272000. Its totient is φ = 167284992.

The previous prime is 258763079. The next prime is 258763093. The reversal of 258763085 is 580367852.

It is not a de Polignac number, because 258763085 - 2²² = 254568781 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1736591 + ... + 1736739.

It is an arithmetic number, because the mean of its divisors is an integer number (7839000).

Almost surely, 2^258763085 is an apocalyptic number.

It is an amenable number.

258763085 is a deficient number, since it is larger than the sum of its proper divisors (117508915).

258763085 is a wasteful number, since it uses less digits than its factorization.

258763085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 258763085 is about 16086.1146645173. The cubic root of 258763085 is about 637.2366904388.

The spelling of 258763085 in words is "two hundred fifty-eight million, seven hundred sixty-three thousand, eighty-five".