108978935357 has 4 divisors (see below), whose sum is σ = 108979693500. Its totient is φ = 108978177216.

The previous prime is 108978935321. The next prime is 108978935369. The reversal of 108978935357 is 753539879801.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 753539879801 = 214043 ⋅3520507.

It can be written as a sum of positive squares in 2 ways, for example, as 71784341476 + 37194593881 = 267926^2 + 192859^2 .

It is a cyclic number.

It is not a de Polignac number, because 108978935357 - 2⁶ = 108978935293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 108978935293 and 108978935302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108978931357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89948 + ... + 475445.

It is an arithmetic number, because the mean of its divisors is an integer number (27244923375).

Almost surely, 2^108978935357 is an apocalyptic number.

It is an amenable number.

108978935357 is a deficient number, since it is larger than the sum of its proper divisors (758143).

108978935357 is an equidigital number, since it uses as much as digits as its factorization.

108978935357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758142.

The product of its (nonzero) digits is 57153600, while the sum is 65.

The spelling of 108978935357 in words is "one hundred eight billion, nine hundred seventy-eight million, nine hundred thirty-five thousand, three hundred fifty-seven".