172793870402 has 16 divisors (see below), whose sum is σ = 271620760320. Its totient is φ = 82285861152.

The previous prime is 172793870387. The next prime is 172793870407. The reversal of 172793870402 is 204078397271.

It is a happy number.

172793870402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (172793870407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8050202 + ... + 8071637.

It is an arithmetic number, because the mean of its divisors is an integer number (16976297520).

Almost surely, 2^172793870402 is an apocalyptic number.

172793870402 is a deficient number, since it is larger than the sum of its proper divisors (98826889918).

172793870402 is a wasteful number, since it uses less digits than its factorization.

172793870402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16122097.

The product of its (nonzero) digits is 1185408, while the sum is 50.

The spelling of 172793870402 in words is "one hundred seventy-two billion, seven hundred ninety-three million, eight hundred seventy thousand, four hundred two".