258828728465580 has 192 divisors, whose sum is σ = 893009312498688. Its totient is φ = 54545995330560.

The previous prime is 258828728465521. The next prime is 258828728465639. The reversal of 258828728465580 is 85564827828852.

It is an interprime number because it is at equal distance from previous prime (258828728465521) and next prime (258828728465639).

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a junction number, because it is equal to n+sod(n) for n = 258828728465496 and 258828728465505.

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, 23129566 + ... + 32444325.

It is an arithmetic number, because the mean of its divisors is an integer number (4651090169264).

Almost surely, 2^{258828728465580} is an apocalyptic number.

258828728465580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258828728465580 is an abundant number, since it is smaller than the sum of its proper divisors (634180584033108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258828728465580 is a wasteful number, since it uses less digits than its factorization.

258828728465580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55574776 (or 55574774 counting only the distinct ones).

The product of its (nonzero) digits is 5505024000, while the sum is 78.

The spelling of 258828728465580 in words is "two hundred fifty-eight trillion, eight hundred twenty-eight billion, seven hundred twenty-eight million, four hundred sixty-five thousand, five hundred eighty".