10172120777404 has 12 divisors (see below), whose sum is σ = 18051932647728. Its totient is φ = 5014425735200.

The previous prime is 10172120777381. The next prime is 10172120777407. The reversal of 10172120777404 is 40477702127101.

It is a happy number.

It is a super-2 number, since 2×10172120777404² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10172120777407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17908663057 + ... + 17908663624.

It is an arithmetic number, because the mean of its divisors is an integer number (1504327720644).

Almost surely, 2^{10172120777404} is an apocalyptic number.

It is an amenable number.

10172120777404 is a deficient number, since it is larger than the sum of its proper divisors (7879811870324).

10172120777404 is a wasteful number, since it uses less digits than its factorization.

10172120777404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35817326756 (or 35817326754 counting only the distinct ones).

The product of its (nonzero) digits is 153664, while the sum is 43.

The spelling of 10172120777404 in words is "ten trillion, one hundred seventy-two billion, one hundred twenty million, seven hundred seventy-seven thousand, four hundred four".