978675046 has 4 divisors (see below), whose sum is σ = 1468012572. Its totient is φ = 489337522.

The previous prime is 978675029. The next prime is 978675073. The reversal of 978675046 is 640576879.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 978674984 and 978675002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244668760 + ... + 244668763.

It is an arithmetic number, because the mean of its divisors is an integer number (367003143).

Almost surely, 2^978675046 is an apocalyptic number.

978675046 is a deficient number, since it is larger than the sum of its proper divisors (489337526).

978675046 is a wasteful number, since it uses less digits than its factorization.

978675046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489337525.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The square root of 978675046 is about 31283.7824759091. The cubic root of 978675046 is about 992.8405465522.

The spelling of 978675046 in words is "nine hundred seventy-eight million, six hundred seventy-five thousand, forty-six".