978700245 has 8 divisors (see below), whose sum is σ = 1565920416. Its totient is φ = 521973456.

The previous prime is 978700243. The next prime is 978700259. The reversal of 978700245 is 542007879.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 978700245 - 2¹ = 978700243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 978700197 and 978700206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978700243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32623327 + ... + 32623356.

It is an arithmetic number, because the mean of its divisors is an integer number (195740052).

Almost surely, 2^978700245 is an apocalyptic number.

It is an amenable number.

978700245 is a deficient number, since it is larger than the sum of its proper divisors (587220171).

978700245 is a wasteful number, since it uses less digits than its factorization.

978700245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65246691.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 978700245 is about 31284.1852219296. The cubic root of 978700245 is about 992.8490677239.

The spelling of 978700245 in words is "nine hundred seventy-eight million, seven hundred thousand, two hundred forty-five".