118546978 has 16 divisors (see below), whose sum is σ = 194153760. Its totient is φ = 53838400.

The previous prime is 118546951. The next prime is 118547003. The reversal of 118546978 is 879645811.

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, 45573 + ... + 48103.

It is an arithmetic number, because the mean of its divisors is an integer number (12134610).

Almost surely, 2^118546978 is an apocalyptic number.

118546978 is a deficient number, since it is larger than the sum of its proper divisors (75606782).

118546978 is a wasteful number, since it uses less digits than its factorization.

118546978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4673.

The product of its digits is 483840, while the sum is 49.

The square root of 118546978 is about 10887.9280857287. The cubic root of 118546978 is about 491.2435137819.

The spelling of 118546978 in words is "one hundred eighteen million, five hundred forty-six thousand, nine hundred seventy-eight".