978265005 has 16 divisors (see below), whose sum is σ = 1566480384. Its totient is φ = 521322560.

The previous prime is 978264977. The next prime is 978265009. The reversal of 978265005 is 500562879.

It is not a de Polignac number, because 978265005 - 2⁷ = 978264877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978265009) 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 15 ways as a sum of consecutive naturals, for example, 6381 + ... + 44690.

It is an arithmetic number, because the mean of its divisors is an integer number (97905024).

Almost surely, 2^978265005 is an apocalyptic number.

It is an amenable number.

978265005 is a deficient number, since it is larger than the sum of its proper divisors (588215379).

978265005 is a wasteful number, since it uses less digits than its factorization.

978265005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52356.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 978265005 is about 31277.2282179863. The cubic root of 978265005 is about 992.7018685163.

It can be divided in two parts, 97826 and 5005, that added together give a triangular number (102831 = T₄₅₃).

The spelling of 978265005 in words is "nine hundred seventy-eight million, two hundred sixty-five thousand, five".