787912641801 has 6 divisors (see below), whose sum is σ = 1138096038170. Its totient is φ = 525275094528.

The previous prime is 787912641781. The next prime is 787912641829. The reversal of 787912641801 is 108146219787.

It can be written as a sum of positive squares in only one way, i.e., 679674931776 + 108237710025 = 824424^2 + 328995^2 .

It is not a de Polignac number, because 787912641801 - 2⁹ = 787912641289 is a prime.

It is a super-2 number, since 2×787912641801² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (787912641851) 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 5 ways as a sum of consecutive naturals, for example, 43772924536 + ... + 43772924553.

Almost surely, 2^787912641801 is an apocalyptic number.

It is an amenable number.

787912641801 is a deficient number, since it is larger than the sum of its proper divisors (350183396369).

787912641801 is a wasteful number, since it uses less digits than its factorization.

787912641801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87545849095 (or 87545849092 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 54.

The spelling of 787912641801 in words is "seven hundred eighty-seven billion, nine hundred twelve million, six hundred forty-one thousand, eight hundred one".