797900651 has 2 divisors, whose sum is σ = 797900652. Its totient is φ = 797900650.

The previous prime is 797900641. The next prime is 797900681. The reversal of 797900651 is 156009797.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 797900651 - 2¹⁸ = 797638507 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (797900641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398950325 + 398950326.

It is an arithmetic number, because the mean of its divisors is an integer number (398950326).

Almost surely, 2^797900651 is an apocalyptic number.

797900651 is a deficient number, since it is larger than the sum of its proper divisors (1).

797900651 is an equidigital number, since it uses as much as digits as its factorization.

797900651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 119070, while the sum is 44.

The square root of 797900651 is about 28247.1352706783. The cubic root of 797900651 is about 927.5050291428.

The spelling of 797900651 in words is "seven hundred ninety-seven million, nine hundred thousand, six hundred fifty-one".