83437622761 has 2 divisors, whose sum is σ = 83437622762. Its totient is φ = 83437622760.

The previous prime is 83437622747. The next prime is 83437622831. The reversal of 83437622761 is 16722673438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79927771225 + 3509851536 = 282715^2 + 59244^2 .

It is a cyclic number.

It is not a de Polignac number, because 83437622761 - 2¹¹ = 83437620713 is a prime.

It is not a weakly prime, because it can be changed into another prime (83437622711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41718811380 + 41718811381.

It is an arithmetic number, because the mean of its divisors is an integer number (41718811381).

Almost surely, 2^83437622761 is an apocalyptic number.

It is an amenable number.

83437622761 is a deficient number, since it is larger than the sum of its proper divisors (1).

83437622761 is an equidigital number, since it uses as much as digits as its factorization.

83437622761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 49.

The spelling of 83437622761 in words is "eighty-three billion, four hundred thirty-seven million, six hundred twenty-two thousand, seven hundred sixty-one".