787490422901 has 64 divisors (see below), whose sum is σ = 1065414228480. Its totient is φ = 564172922880.

The previous prime is 787490422861. The next prime is 787490422903. The reversal of 787490422901 is 109224094787.

It is a happy number.

It is not a de Polignac number, because 787490422901 - 2¹⁰ = 787490421877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787490422903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12575270 + ... + 12637736.

It is an arithmetic number, because the mean of its divisors is an integer number (16647097320).

Almost surely, 2^787490422901 is an apocalyptic number.

It is an amenable number.

787490422901 is a deficient number, since it is larger than the sum of its proper divisors (277923805579).

787490422901 is a wasteful number, since it uses less digits than its factorization.

787490422901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62814.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 787490422901 in words is "seven hundred eighty-seven billion, four hundred ninety million, four hundred twenty-two thousand, nine hundred one".