10091375478 has 12 divisors (see below), whose sum is σ = 21864646908. Its totient is φ = 3363791820.

The previous prime is 10091375467. The next prime is 10091375519. The reversal of 10091375478 is 87457319001.

10091375478 is a `hidden beast` number, since 10 + 0 + 91 + 3 + 7 + 547 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280315968 + ... + 280316003.

It is an arithmetic number, because the mean of its divisors is an integer number (1822053909).

Almost surely, 2^10091375478 is an apocalyptic number.

10091375478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10091375478 is an abundant number, since it is smaller than the sum of its proper divisors (11773271430).

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

10091375478 is a wasteful number, since it uses less digits than its factorization.

10091375478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560631979 (or 560631976 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 10091375478 in words is "ten billion, ninety-one million, three hundred seventy-five thousand, four hundred seventy-eight".