978485541 has 64 divisors (see below), whose sum is σ = 1625702400. Its totient is φ = 515635200.

The previous prime is 978485539. The next prime is 978485561. The reversal of 978485541 is 145584879.

It is not a de Polignac number, because 978485541 - 2¹ = 978485539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978485531) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 435900 + ... + 438138.

It is an arithmetic number, because the mean of its divisors is an integer number (25401600).

Almost surely, 2^978485541 is an apocalyptic number.

It is an amenable number.

978485541 is a deficient number, since it is larger than the sum of its proper divisors (647216859).

978485541 is a wasteful number, since it uses less digits than its factorization.

978485541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330.

The product of its digits is 1612800, while the sum is 51.

The square root of 978485541 is about 31280.7535235326. The cubic root of 978485541 is about 992.7764597736.

The spelling of 978485541 in words is "nine hundred seventy-eight million, four hundred eighty-five thousand, five hundred forty-one".