978484758 has 16 divisors (see below), whose sum is σ = 2009861040. Its totient is φ = 317346336.

The previous prime is 978484753. The next prime is 978484763. The reversal of 978484758 is 857484879.

It is an interprime number because it is at equal distance from previous prime (978484753) and next prime (978484763).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978484751) 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, 2203573 + ... + 2204016.

It is an arithmetic number, because the mean of its divisors is an integer number (125616315).

Almost surely, 2^978484758 is an apocalyptic number.

978484758 is an abundant number, since it is smaller than the sum of its proper divisors (1031376282).

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

978484758 is a wasteful number, since it uses less digits than its factorization.

978484758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407631.

The product of its digits is 18063360, while the sum is 60.

The square root of 978484758 is about 31280.7410078470. The cubic root of 978484758 is about 992.7761949616.

The spelling of 978484758 in words is "nine hundred seventy-eight million, four hundred eighty-four thousand, seven hundred fifty-eight".