245234378887 has 8 divisors (see below), whose sum is σ = 258149928960. Its totient is φ = 232319676600.

The previous prime is 245234378863. The next prime is 245234378903. The reversal of 245234378887 is 788873432542.

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

It is a de Polignac number, because none of the positive numbers 2^k-245234378887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245234378087) 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, 432012 + ... + 822862.

It is an arithmetic number, because the mean of its divisors is an integer number (32268741120).

Almost surely, 2^245234378887 is an apocalyptic number.

245234378887 is a deficient number, since it is larger than the sum of its proper divisors (12915550073).

245234378887 is a wasteful number, since it uses less digits than its factorization.

245234378887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423893.

The product of its digits is 72253440, while the sum is 61.

The spelling of 245234378887 in words is "two hundred forty-five billion, two hundred thirty-four million, three hundred seventy-eight thousand, eight hundred eighty-seven".