788438487 has 16 divisors (see below), whose sum is σ = 1078529760. Its totient is φ = 512025600.

The previous prime is 788438477. The next prime is 788438491. The reversal of 788438487 is 784834887.

It is not a de Polignac number, because 788438487 - 2⁶ = 788438423 is a prime.

It is a super-3 number, since 3×788438487³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (788438437) 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, 82687 + ... + 91727.

It is an arithmetic number, because the mean of its divisors is an integer number (67408110).

Almost surely, 2^788438487 is an apocalyptic number.

788438487 is a deficient number, since it is larger than the sum of its proper divisors (290091273).

788438487 is a wasteful number, since it uses less digits than its factorization.

788438487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9794.

The product of its digits is 9633792, while the sum is 57.

The square root of 788438487 is about 28079.1468353296. The cubic root of 788438487 is about 923.8240667361.

The spelling of 788438487 in words is "seven hundred eighty-eight million, four hundred thirty-eight thousand, four hundred eighty-seven".