108455978 has 16 divisors (see below), whose sum is σ = 166593024. Its totient is φ = 52931280.

The previous prime is 108455953. The next prime is 108455993. The reversal of 108455978 is 879554801.

It is a Harshad number since it is a multiple of its sum of digits (47).

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, 39176 + ... + 41852.

It is an arithmetic number, because the mean of its divisors is an integer number (10412064).

Almost surely, 2^108455978 is an apocalyptic number.

108455978 is a deficient number, since it is larger than the sum of its proper divisors (58137046).

108455978 is a wasteful number, since it uses less digits than its factorization.

108455978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157.

The product of its (nonzero) digits is 403200, while the sum is 47.

The square root of 108455978 is about 10414.2199899944. The cubic root of 108455978 is about 476.8895782563.

The spelling of 108455978 in words is "one hundred eight million, four hundred fifty-five thousand, nine hundred seventy-eight".