478787110998 has 32 divisors (see below), whose sum is σ = 1096155868416. Its totient is φ = 136573151328.

The previous prime is 478787110973. The next prime is 478787111003. The reversal of 478787110998 is 899011787874.

It is a super-2 number, since 2×478787110998² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 9272536 + ... + 9324027.

It is an arithmetic number, because the mean of its divisors is an integer number (34254870888).

Almost surely, 2^478787110998 is an apocalyptic number.

478787110998 is an abundant number, since it is smaller than the sum of its proper divisors (617368757418).

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

478787110998 is a wasteful number, since it uses less digits than its factorization.

478787110998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18597188.

The product of its (nonzero) digits is 56899584, while the sum is 69.

The spelling of 478787110998 in words is "four hundred seventy-eight billion, seven hundred eighty-seven million, one hundred ten thousand, nine hundred ninety-eight".