980978847 has 8 divisors (see below), whose sum is σ = 1309072944. Its totient is φ = 653435328.

The previous prime is 980978839. The next prime is 980978893. The reversal of 980978847 is 748879089.

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

It is not a de Polignac number, because 980978847 - 2³ = 980978839 is a prime.

It is a super-2 number, since 2×980978847² = 1924638996522898818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980978827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133468 + ... + 140625.

It is an arithmetic number, because the mean of its divisors is an integer number (163634118).

Almost surely, 2^980978847 is an apocalyptic number.

980978847 is a deficient number, since it is larger than the sum of its proper divisors (328094097).

980978847 is a wasteful number, since it uses less digits than its factorization.

980978847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275289.

The product of its (nonzero) digits is 8128512, while the sum is 60.

The square root of 980978847 is about 31320.5818432544. The cubic root of 980978847 is about 993.6189849192.

The spelling of 980978847 in words is "nine hundred eighty million, nine hundred seventy-eight thousand, eight hundred forty-seven".