76786045901 has 2 divisors, whose sum is σ = 76786045902. Its totient is φ = 76786045900.

The previous prime is 76786045891. The next prime is 76786045909. The reversal of 76786045901 is 10954068767.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49617117001 + 27168928900 = 222749^2 + 164830^2 .

It is a cyclic number.

It is not a de Polignac number, because 76786045901 - 2¹⁴ = 76786029517 is a prime.

It is a super-2 number, since 2×76786045901² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76786045909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38393022950 + 38393022951.

It is an arithmetic number, because the mean of its divisors is an integer number (38393022951).

Almost surely, 2^76786045901 is an apocalyptic number.

It is an amenable number.

76786045901 is a deficient number, since it is larger than the sum of its proper divisors (1).

76786045901 is an equidigital number, since it uses as much as digits as its factorization.

76786045901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 76786045901 in words is "seventy-six billion, seven hundred eighty-six million, forty-five thousand, nine hundred one".