258377485965 has 64 divisors (see below), whose sum is σ = 446777856000. Its totient is φ = 127020867584.

The previous prime is 258377485937. The next prime is 258377485973. The reversal of 258377485965 is 569584773852.

It is a cyclic number.

It is not a de Polignac number, because 258377485965 - 2²¹ = 258375388813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 258377485965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7673236 + ... + 7706834.

It is an arithmetic number, because the mean of its divisors is an integer number (6980904000).

Almost surely, 2^258377485965 is an apocalyptic number.

It is an amenable number.

258377485965 is a deficient number, since it is larger than the sum of its proper divisors (188400370035).

258377485965 is a wasteful number, since it uses less digits than its factorization.

258377485965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34246.

The product of its digits is 508032000, while the sum is 69.

The spelling of 258377485965 in words is "two hundred fifty-eight billion, three hundred seventy-seven million, four hundred eighty-five thousand, nine hundred sixty-five".