787461998399 has 8 divisors (see below), whose sum is σ = 798326900640. Its totient is φ = 776599197696.

The previous prime is 787461998371. The next prime is 787461998443. The reversal of 787461998399 is 993899164787.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 787461998399 - 2⁸ = 787461998143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787461998369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236774 + ... + 1277100.

It is an arithmetic number, because the mean of its divisors is an integer number (99790862580).

Almost surely, 2^787461998399 is an apocalyptic number.

787461998399 is a deficient number, since it is larger than the sum of its proper divisors (10864902241).

787461998399 is a wasteful number, since it uses less digits than its factorization.

787461998399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050769.

The product of its digits is 1481421312, while the sum is 80.

The spelling of 787461998399 in words is "seven hundred eighty-seven billion, four hundred sixty-one million, nine hundred ninety-eight thousand, three hundred ninety-nine".