797061887 has 2 divisors, whose sum is σ = 797061888. Its totient is φ = 797061886.

The previous prime is 797061877. The next prime is 797061911. The reversal of 797061887 is 788160797.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 797061887 - 2⁴ = 797061871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (797061877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398530943 + 398530944.

It is an arithmetic number, because the mean of its divisors is an integer number (398530944).

Almost surely, 2^797061887 is an apocalyptic number.

797061887 is a deficient number, since it is larger than the sum of its proper divisors (1).

797061887 is an equidigital number, since it uses as much as digits as its factorization.

797061887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1185408, while the sum is 53.

The square root of 797061887 is about 28232.2844807146. The cubic root of 797061887 is about 927.1799132333.

The spelling of 797061887 in words is "seven hundred ninety-seven million, sixty-one thousand, eight hundred eighty-seven".