42777700751 has 2 divisors, whose sum is σ = 42777700752. Its totient is φ = 42777700750.

The previous prime is 42777700711. The next prime is 42777700783. The reversal of 42777700751 is 15700777724.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42777700751 - 2¹⁸ = 42777438607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42777700696 and 42777700705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42777700711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21388850375 + 21388850376.

It is an arithmetic number, because the mean of its divisors is an integer number (21388850376).

Almost surely, 2^42777700751 is an apocalyptic number.

42777700751 is a deficient number, since it is larger than the sum of its proper divisors (1).

42777700751 is an equidigital number, since it uses as much as digits as its factorization.

42777700751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672280, while the sum is 47.

The spelling of 42777700751 in words is "forty-two billion, seven hundred seventy-seven million, seven hundred thousand, seven hundred fifty-one".