873923745901 has 4 divisors (see below), whose sum is σ = 875438345692. Its totient is φ = 872409146112.

The previous prime is 873923745883. The next prime is 873923745917. The reversal of 873923745901 is 109547329378.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 472620500676 + 401303245225 = 687474^2 + 633485^2 .

It is a cyclic number.

It is not a de Polignac number, because 873923745901 - 2¹⁷ = 873923614829 is a prime.

It is a super-2 number, since 2×873923745901² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873923745991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757299030 + ... + 757300183.

It is an arithmetic number, because the mean of its divisors is an integer number (218859586423).

Almost surely, 2^873923745901 is an apocalyptic number.

It is an amenable number.

873923745901 is a deficient number, since it is larger than the sum of its proper divisors (1514599791).

873923745901 is a wasteful number, since it uses less digits than its factorization.

873923745901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514599790.

The product of its (nonzero) digits is 11430720, while the sum is 58.

The spelling of 873923745901 in words is "eight hundred seventy-three billion, nine hundred twenty-three million, seven hundred forty-five thousand, nine hundred one".