578749947875 has 16 divisors (see below), whose sum is σ = 787941749088. Its totient is φ = 420909052000.

The previous prime is 578749947863. The next prime is 578749947959.

578749947875 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 578749947875 - 2²² = 578745753571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 578749947875.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210453152 + ... + 210455901.

It is an arithmetic number, because the mean of its divisors is an integer number (49246359318).

Almost surely, 2^578749947875 is an apocalyptic number.

578749947875 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

578749947875 is a deficient number, since it is larger than the sum of its proper divisors (209191801213).

578749947875 is a wasteful number, since it uses less digits than its factorization.

578749947875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420909079 (or 420909069 counting only the distinct ones).

The product of its digits is 4978713600, while the sum is 80.

The spelling of 578749947875 in words is "five hundred seventy-eight billion, seven hundred forty-nine million, nine hundred forty-seven thousand, eight hundred seventy-five".