978302383 has 4 divisors (see below), whose sum is σ = 1035849600. Its totient is φ = 920755168.

The previous prime is 978302363. The next prime is 978302387. The reversal of 978302383 is 383203879.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 383203879 = 59 ⋅6494981.

It is a cyclic number.

It is not a de Polignac number, because 978302383 - 2⁹ = 978301871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978302387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28773583 + ... + 28773616.

It is an arithmetic number, because the mean of its divisors is an integer number (258962400).

Almost surely, 2^978302383 is an apocalyptic number.

978302383 is a deficient number, since it is larger than the sum of its proper divisors (57547217).

978302383 is a wasteful number, since it uses less digits than its factorization.

978302383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57547216.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 978302383 is about 31277.8257396514. The cubic root of 978302383 is about 992.7145115587.

The spelling of 978302383 in words is "nine hundred seventy-eight million, three hundred two thousand, three hundred eighty-three".