172090927948 has 12 divisors (see below), whose sum is σ = 304542934920. Its totient is φ = 85078660832.

The previous prime is 172090927919. The next prime is 172090927963. The reversal of 172090927948 is 849729090271.

It is a junction number, because it is equal to n+sod(n) for n = 172090927892 and 172090927901.

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, 241700386 + ... + 241701097.

It is an arithmetic number, because the mean of its divisors is an integer number (25378577910).

Almost surely, 2^172090927948 is an apocalyptic number.

It is an amenable number.

172090927948 is a deficient number, since it is larger than the sum of its proper divisors (132452006972).

172090927948 is a wasteful number, since it uses less digits than its factorization.

172090927948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483401576 (or 483401574 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 58.

The spelling of 172090927948 in words is "one hundred seventy-two billion, ninety million, nine hundred twenty-seven thousand, nine hundred forty-eight".