83774403403 has 2 divisors, whose sum is σ = 83774403404. Its totient is φ = 83774403402.

The previous prime is 83774403347. The next prime is 83774403407. The reversal of 83774403403 is 30430447738.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83774403403 - 2²¹ = 83772306251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83774403403.

It is not a weakly prime, because it can be changed into another prime (83774403407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41887201701 + 41887201702.

It is an arithmetic number, because the mean of its divisors is an integer number (41887201702).

Almost surely, 2^83774403403 is an apocalyptic number.

83774403403 is a deficient number, since it is larger than the sum of its proper divisors (1).

83774403403 is an equidigital number, since it uses as much as digits as its factorization.

83774403403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 43.

The spelling of 83774403403 in words is "eighty-three billion, seven hundred seventy-four million, four hundred three thousand, four hundred three".