172076440786 has 8 divisors (see below), whose sum is σ = 269337037824. Its totient is φ = 82297428180.

The previous prime is 172076440769. The next prime is 172076440831. The reversal of 172076440786 is 687044670271.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×172076440786² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1870396050 + ... + 1870396141.

It is an arithmetic number, because the mean of its divisors is an integer number (33667129728).

Almost surely, 2^172076440786 is an apocalyptic number.

172076440786 is a deficient number, since it is larger than the sum of its proper divisors (97260597038).

172076440786 is a wasteful number, since it uses less digits than its factorization.

172076440786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3740792216.

The product of its (nonzero) digits is 3161088, while the sum is 52.

The spelling of 172076440786 in words is "one hundred seventy-two billion, seventy-six million, four hundred forty thousand, seven hundred eighty-six".