172772263000 has 128 divisors (see below), whose sum is σ = 426441600000. Its totient is φ = 65336803200.

The previous prime is 172772262979. The next prime is 172772263067. The reversal of 172772263000 is 362277271.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9471889 + ... + 9490111.

It is an arithmetic number, because the mean of its divisors is an integer number (3331575000).

Almost surely, 2^172772263000 is an apocalyptic number.

172772263000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172772263000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213220800000).

172772263000 is an abundant number, since it is smaller than the sum of its proper divisors (253669337000).

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

172772263000 is a wasteful number, since it uses less digits than its factorization.

172772263000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18762 (or 18748 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 37.

The spelling of 172772263000 in words is "one hundred seventy-two billion, seven hundred seventy-two million, two hundred sixty-three thousand".