42620448306077 has 2 divisors, whose sum is σ = 42620448306078. Its totient is φ = 42620448306076.

The previous prime is 42620448305983. The next prime is 42620448306127. The reversal of 42620448306077 is 77060384402624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38927878686841 + 3692569619236 = 6239221^2 + 1921606^2 .

It is a cyclic number.

It is not a de Polignac number, because 42620448306077 - 2⁸ = 42620448305821 is a prime.

It is a super-2 number, since 2×42620448306077² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42620448306577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21310224153038 + 21310224153039.

It is an arithmetic number, because the mean of its divisors is an integer number (21310224153039).

Almost surely, 2^{42620448306077} is an apocalyptic number.

It is an amenable number.

42620448306077 is a deficient number, since it is larger than the sum of its proper divisors (1).

42620448306077 is an equidigital number, since it uses as much as digits as its factorization.

42620448306077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10838016, while the sum is 53.

The spelling of 42620448306077 in words is "forty-two trillion, six hundred twenty billion, four hundred forty-eight million, three hundred six thousand, seventy-seven".