77010001043 has 2 divisors, whose sum is σ = 77010001044. Its totient is φ = 77010001042.

The previous prime is 77010001001. The next prime is 77010001049. The reversal of 77010001043 is 34010001077.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77010001043 - 2⁸ = 77010000787 is a prime.

It is a super-2 number, since 2×77010001043² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (77010001049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38505000521 + 38505000522.

It is an arithmetic number, because the mean of its divisors is an integer number (38505000522).

Almost surely, 2^77010001043 is an apocalyptic number.

77010001043 is a deficient number, since it is larger than the sum of its proper divisors (1).

77010001043 is an equidigital number, since it uses as much as digits as its factorization.

77010001043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 23.

The spelling of 77010001043 in words is "seventy-seven billion, ten million, one thousand, forty-three".