913091783487 has 16 divisors (see below), whose sum is σ = 1311148960128. Its totient is φ = 561884289120.

The previous prime is 913091783431. The next prime is 913091783489. The reversal of 913091783487 is 784387190319.

It is not a de Polignac number, because 913091783487 - 2¹⁵ = 913091750719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 913091783487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913091783489) 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, 880312 + ... + 1612802.

It is an arithmetic number, because the mean of its divisors is an integer number (81946810008).

Almost surely, 2^913091783487 is an apocalyptic number.

913091783487 is a deficient number, since it is larger than the sum of its proper divisors (398057176641).

913091783487 is a wasteful number, since it uses less digits than its factorization.

913091783487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764470.

The product of its (nonzero) digits is 9144576, while the sum is 60.

The spelling of 913091783487 in words is "nine hundred thirteen billion, ninety-one million, seven hundred eighty-three thousand, four hundred eighty-seven".