973888991802 has 48 divisors (see below), whose sum is σ = 2222680131360. Its totient is φ = 307332074016.

The previous prime is 973888991791. The next prime is 973888991807. The reversal of 973888991802 is 208199888379.

973888991802 is a `hidden beast` number, since 9 + 7 + 388 + 89 + 91 + 80 + 2 = 666.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (973888991807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 482988 + ... + 1476839.

It is an arithmetic number, because the mean of its divisors is an integer number (46305836070).

Almost surely, 2^973888991802 is an apocalyptic number.

973888991802 is an abundant number, since it is smaller than the sum of its proper divisors (1248791139558).

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

973888991802 is a wasteful number, since it uses less digits than its factorization.

973888991802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961307 (or 1961304 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 72.

The spelling of 973888991802 in words is "nine hundred seventy-three billion, eight hundred eighty-eight million, nine hundred ninety-one thousand, eight hundred two".