787849380001 has 2 divisors, whose sum is σ = 787849380002. Its totient is φ = 787849380000.

The previous prime is 787849379983. The next prime is 787849380041. The reversal of 787849380001 is 100083948787.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 673344971776 + 114504408225 = 820576^2 + 338385^2 .

It is a cyclic number.

It is not a de Polignac number, because 787849380001 - 2²⁵ = 787815825569 is a prime.

It is not a weakly prime, because it can be changed into another prime (787849380041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393924690000 + 393924690001.

It is an arithmetic number, because the mean of its divisors is an integer number (393924690001).

Almost surely, 2^787849380001 is an apocalyptic number.

It is an amenable number.

787849380001 is a deficient number, since it is larger than the sum of its proper divisors (1).

787849380001 is an equidigital number, since it uses as much as digits as its factorization.

787849380001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 55.

The spelling of 787849380001 in words is "seven hundred eighty-seven billion, eight hundred forty-nine million, three hundred eighty thousand, one".