787047489 has 16 divisors (see below), whose sum is σ = 1166443200. Its totient is φ = 524497248.

The previous prime is 787047467. The next prime is 787047493. The reversal of 787047489 is 984740787.

It is not a de Polignac number, because 787047489 - 2¹² = 787043393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (787047409) 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, 108622 + ... + 115640.

It is an arithmetic number, because the mean of its divisors is an integer number (72902700).

Almost surely, 2^787047489 is an apocalyptic number.

It is an amenable number.

787047489 is a deficient number, since it is larger than the sum of its proper divisors (379395711).

787047489 is a wasteful number, since it uses less digits than its factorization.

787047489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11181 (or 11175 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 54.

The square root of 787047489 is about 28054.3666654587. The cubic root of 787047489 is about 923.2804631879.

The spelling of 787047489 in words is "seven hundred eighty-seven million, forty-seven thousand, four hundred eighty-nine".