108477778534 has 8 divisors (see below), whose sum is σ = 163542641328. Its totient is φ = 53963564760.

The previous prime is 108477778529. The next prime is 108477778543. The reversal of 108477778534 is 435877774801.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137661762 + ... + 137662549.

It is an arithmetic number, because the mean of its divisors is an integer number (20442830166).

Almost surely, 2^108477778534 is an apocalyptic number.

108477778534 is a deficient number, since it is larger than the sum of its proper divisors (55064862794).

108477778534 is a wasteful number, since it uses less digits than its factorization.

108477778534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275324510.

The product of its (nonzero) digits is 36879360, while the sum is 61.

The spelling of 108477778534 in words is "one hundred eight billion, four hundred seventy-seven million, seven hundred seventy-eight thousand, five hundred thirty-four".