801374704477 has 2 divisors, whose sum is σ = 801374704478. Its totient is φ = 801374704476.

The previous prime is 801374704447. The next prime is 801374704519. The reversal of 801374704477 is 774407473108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 776820127876 + 24554576601 = 881374^2 + 156699^2 .

It is a cyclic number.

It is not a de Polignac number, because 801374704477 - 2³¹ = 799227220829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (801374704447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400687352238 + 400687352239.

It is an arithmetic number, because the mean of its divisors is an integer number (400687352239).

Almost surely, 2^801374704477 is an apocalyptic number.

It is an amenable number.

801374704477 is a deficient number, since it is larger than the sum of its proper divisors (1).

801374704477 is an equidigital number, since it uses as much as digits as its factorization.

801374704477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3687936, while the sum is 52.

The spelling of 801374704477 in words is "eight hundred one billion, three hundred seventy-four million, seven hundred four thousand, four hundred seventy-seven".