789267540 has 48 divisors (see below), whose sum is σ = 2306037888. Its totient is φ = 201320064.

The previous prime is 789267511. The next prime is 789267547. The reversal of 789267540 is 45762987.

It is a self number, because there is not a number n which added to its sum of digits gives 789267540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789267547) 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, 284587 + ... + 287346.

It is an arithmetic number, because the mean of its divisors is an integer number (48042456).

Almost surely, 2^789267540 is an apocalyptic number.

It is an amenable number.

789267540 is an abundant number, since it is smaller than the sum of its proper divisors (1516770348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

789267540 is a wasteful number, since it uses less digits than its factorization.

789267540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571968 (or 571966 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 789267540 is about 28093.9057448408. The cubic root of 789267540 is about 924.1477575218.

The spelling of 789267540 in words is "seven hundred eighty-nine million, two hundred sixty-seven thousand, five hundred forty".