872437390 has 16 divisors (see below), whose sum is σ = 1713150000. Its totient is φ = 317249920.

The previous prime is 872437339. The next prime is 872437409. The reversal of 872437390 is 93734278.

It is a super-2 number, since 2×872437390² = 1522293998940024200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3965515 + ... + 3965734.

It is an arithmetic number, because the mean of its divisors is an integer number (107071875).

Almost surely, 2^872437390 is an apocalyptic number.

872437390 is a deficient number, since it is larger than the sum of its proper divisors (840712610).

872437390 is a wasteful number, since it uses less digits than its factorization.

872437390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7931267.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 872437390 is about 29537.0511392048. The cubic root of 872437390 is about 955.5309456785.

The spelling of 872437390 in words is "eight hundred seventy-two million, four hundred thirty-seven thousand, three hundred ninety".