96781980 has 24 divisors (see below), whose sum is σ = 270989712. Its totient is φ = 25808512.

The previous prime is 96781957. The next prime is 96781981. The reversal of 96781980 is 8918769.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96781981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806457 + ... + 806576.

It is an arithmetic number, because the mean of its divisors is an integer number (11291238).

Almost surely, 2^96781980 is an apocalyptic number.

It is an amenable number.

96781980 is an abundant number, since it is smaller than the sum of its proper divisors (174207732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

96781980 is a wasteful number, since it uses less digits than its factorization.

96781980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613045 (or 1613043 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 96781980 is about 9837.7832868995. The cubic root of 96781980 is about 459.1255915788.

The spelling of 96781980 in words is "ninety-six million, seven hundred eighty-one thousand, nine hundred eighty".