1796777401 has 2 divisors, whose sum is σ = 1796777402. Its totient is φ = 1796777400.

The previous prime is 1796777377. The next prime is 1796777513. The reversal of 1796777401 is 1047776971.

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., 1787260176 + 9517225 = 42276^2 + 3085^2 .

It is a cyclic number.

It is not a de Polignac number, because 1796777401 - 2⁵ = 1796777369 is a prime.

It is not a weakly prime, because it can be changed into another prime (1796777201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 898388700 + 898388701.

It is an arithmetic number, because the mean of its divisors is an integer number (898388701).

Almost surely, 2^1796777401 is an apocalyptic number.

It is an amenable number.

1796777401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1796777401 is an equidigital number, since it uses as much as digits as its factorization.

1796777401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518616, while the sum is 49.

The square root of 1796777401 is about 42388.4111639019. The cubic root of 1796777401 is about 1215.7140210830.

The spelling of 1796777401 in words is "one billion, seven hundred ninety-six million, seven hundred seventy-seven thousand, four hundred one".