787051660499 has 32 divisors (see below), whose sum is σ = 917569296000. Its totient is φ = 669033953280.

The previous prime is 787051660489. The next prime is 787051660547. The reversal of 787051660499 is 994066150787.

It is not a de Polignac number, because 787051660499 - 2⁸ = 787051660243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (787051660459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2896139 + ... + 3156219.

It is an arithmetic number, because the mean of its divisors is an integer number (28674040500).

Almost surely, 2^787051660499 is an apocalyptic number.

787051660499 is a deficient number, since it is larger than the sum of its proper divisors (130517635501).

787051660499 is a wasteful number, since it uses less digits than its factorization.

787051660499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260495.

The product of its (nonzero) digits is 22861440, while the sum is 62.

The spelling of 787051660499 in words is "seven hundred eighty-seven billion, fifty-one million, six hundred sixty thousand, four hundred ninety-nine".