1872791601 has 16 divisors (see below), whose sum is σ = 2651749440. Its totient is φ = 1172344320.

The previous prime is 1872791581. The next prime is 1872791603. The reversal of 1872791601 is 1061972781.

It is not a de Polignac number, because 1872791601 - 2¹⁸ = 1872529457 is a prime.

It is a super-2 number, since 2×1872791601² = 7014696761552286402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1872791603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138940 + ... + 151821.

It is an arithmetic number, because the mean of its divisors is an integer number (165734340).

Almost surely, 2^1872791601 is an apocalyptic number.

It is an amenable number.

1872791601 is a deficient number, since it is larger than the sum of its proper divisors (778957839).

1872791601 is a wasteful number, since it uses less digits than its factorization.

1872791601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290896.

The product of its (nonzero) digits is 42336, while the sum is 42.

The square root of 1872791601 is about 43275.7622809813. The cubic root of 1872791601 is about 1232.6217242807.

The spelling of 1872791601 in words is "one billion, eight hundred seventy-two million, seven hundred ninety-one thousand, six hundred one".