980135573978 has 16 divisors (see below), whose sum is σ = 1604312818560. Its totient is φ = 445389890400.

The previous prime is 980135573969. The next prime is 980135573999. The reversal of 980135573978 is 879375531089.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6234578 + ... + 6389853.

It is an arithmetic number, because the mean of its divisors is an integer number (100269551160).

Almost surely, 2^980135573978 is an apocalyptic number.

980135573978 is a deficient number, since it is larger than the sum of its proper divisors (624177244582).

980135573978 is a wasteful number, since it uses less digits than its factorization.

980135573978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12627973.

The product of its (nonzero) digits is 57153600, while the sum is 65.

The spelling of 980135573978 in words is "nine hundred eighty billion, one hundred thirty-five million, five hundred seventy-three thousand, nine hundred seventy-eight".