108396078 has 16 divisors (see below), whose sum is σ = 247762560. Its totient is φ = 30970296.

The previous prime is 108396061. The next prime is 108396139. The reversal of 108396078 is 870693801.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 2580859 = 108396078 / (1 + 0 + 8 + 3 + 9 + 6 + 0 + 7 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1290388 + ... + 1290471.

It is an arithmetic number, because the mean of its divisors is an integer number (15485160).

Almost surely, 2^108396078 is an apocalyptic number.

108396078 is an abundant number, since it is smaller than the sum of its proper divisors (139366482).

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

108396078 is a wasteful number, since it uses less digits than its factorization.

108396078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580871.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 108396078 is about 10411.3437173114. The cubic root of 108396078 is about 476.8017670638.

The spelling of 108396078 in words is "one hundred eight million, three hundred ninety-six thousand, seventy-eight".