872078535 has 16 divisors (see below), whose sum is σ = 1550362080. Its totient is φ = 465108480.

The previous prime is 872078533. The next prime is 872078591. The reversal of 872078535 is 535870278.

It is not a de Polignac number, because 872078535 - 2¹ = 872078533 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872078533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3229786 + ... + 3230055.

It is an arithmetic number, because the mean of its divisors is an integer number (96897630).

Almost surely, 2^872078535 is an apocalyptic number.

872078535 is a deficient number, since it is larger than the sum of its proper divisors (678283545).

872078535 is a wasteful number, since it uses less digits than its factorization.

872078535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6459855 (or 6459849 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 872078535 is about 29530.9758558704. The cubic root of 872078535 is about 955.3999165693.

The spelling of 872078535 in words is "eight hundred seventy-two million, seventy-eight thousand, five hundred thirty-five".