83077905451 has 2 divisors, whose sum is σ = 83077905452. Its totient is φ = 83077905450.

The previous prime is 83077905413. The next prime is 83077905509. The reversal of 83077905451 is 15450977038.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83077905451 - 2⁹ = 83077904939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83077905395 and 83077905404.

It is not a weakly prime, because it can be changed into another prime (83077905401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41538952725 + 41538952726.

It is an arithmetic number, because the mean of its divisors is an integer number (41538952726).

Almost surely, 2^83077905451 is an apocalyptic number.

83077905451 is a deficient number, since it is larger than the sum of its proper divisors (1).

83077905451 is an equidigital number, since it uses as much as digits as its factorization.

83077905451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1058400, while the sum is 49.

The spelling of 83077905451 in words is "eighty-three billion, seventy-seven million, nine hundred five thousand, four hundred fifty-one".