500196978 has 32 divisors (see below), whose sum is σ = 1112281920. Its totient is φ = 166622400.

The previous prime is 500196973. The next prime is 500196979. The reversal of 500196978 is 879691005.

500196978 is a `hidden beast` number, since 500 + 19 + 69 + 78 = 666.

It is not an unprimeable number, because it can be changed into a prime (500196973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149601 + ... + 152907.

It is an arithmetic number, because the mean of its divisors is an integer number (34758810).

Almost surely, 2^500196978 is an apocalyptic number.

500196978 is an abundant number, since it is smaller than the sum of its proper divisors (612084942).

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

500196978 is a wasteful number, since it uses less digits than its factorization.

500196978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6119 (or 6113 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 500196978 is about 22365.0839032631. The cubic root of 500196978 is about 793.8047399949.

The spelling of 500196978 in words is "five hundred million, one hundred ninety-six thousand, nine hundred seventy-eight".