864870754 has 8 divisors (see below), whose sum is σ = 1415243088. Its totient is φ = 393123060.

The previous prime is 864870751. The next prime is 864870763. The reversal of 864870754 is 457078468.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×864870754² = 1496002842249057032, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 864870698 and 864870707.

It is not an unprimeable number, because it can be changed into a prime (864870751) 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, 19656132 + ... + 19656175.

It is an arithmetic number, because the mean of its divisors is an integer number (176905386).

Almost surely, 2^864870754 is an apocalyptic number.

864870754 is a deficient number, since it is larger than the sum of its proper divisors (550372334).

864870754 is a wasteful number, since it uses less digits than its factorization.

864870754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39312320.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The square root of 864870754 is about 29408.6850097042. The cubic root of 864870754 is about 952.7604857477.

The spelling of 864870754 in words is "eight hundred sixty-four million, eight hundred seventy thousand, seven hundred fifty-four".