245178584873 has 8 divisors (see below), whose sum is σ = 245346245760. Its totient is φ = 245010981600.

The previous prime is 245178584867. The next prime is 245178584891. The reversal of 245178584873 is 378485871542.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 245178584873 - 2²² = 245174390569 is a prime.

It is a super-2 number, since 2×245178584873² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245178580873) 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, 11361668 + ... + 11383226.

It is an arithmetic number, because the mean of its divisors is an integer number (30668280720).

Almost surely, 2^245178584873 is an apocalyptic number.

It is an amenable number.

245178584873 is a deficient number, since it is larger than the sum of its proper divisors (167660887).

245178584873 is a wasteful number, since it uses less digits than its factorization.

245178584873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28807.

The product of its digits is 60211200, while the sum is 62.

The spelling of 245178584873 in words is "two hundred forty-five billion, one hundred seventy-eight million, five hundred eighty-four thousand, eight hundred seventy-three".