860987069 has 4 divisors (see below), whose sum is σ = 861823200. Its totient is φ = 860150940.

The previous prime is 860987053. The next prime is 860987081. The reversal of 860987069 is 960789068.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 860987069 - 2⁴ = 860987053 is a prime.

It is a super-2 number, since 2×860987069² = 1482597465970421522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 860987069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860987269) 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, 416519 + ... + 418580.

It is an arithmetic number, because the mean of its divisors is an integer number (215455800).

Almost surely, 2^860987069 is an apocalyptic number.

It is an amenable number.

860987069 is a deficient number, since it is larger than the sum of its proper divisors (836131).

860987069 is a wasteful number, since it uses less digits than its factorization.

860987069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836130.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 860987069 is about 29342.5811577646. The cubic root of 860987069 is about 951.3322283889.

The spelling of 860987069 in words is "eight hundred sixty million, nine hundred eighty-seven thousand, sixty-nine".