76720136203 has 2 divisors, whose sum is σ = 76720136204. Its totient is φ = 76720136202.

The previous prime is 76720136201. The next prime is 76720136261. The reversal of 76720136203 is 30263102767.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76720136203 - 2¹ = 76720136201 is a prime.

Together with 76720136201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (76720136201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38360068101 + 38360068102.

It is an arithmetic number, because the mean of its divisors is an integer number (38360068102).

Almost surely, 2^76720136203 is an apocalyptic number.

76720136203 is a deficient number, since it is larger than the sum of its proper divisors (1).

76720136203 is an equidigital number, since it uses as much as digits as its factorization.

76720136203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 37.

The spelling of 76720136203 in words is "seventy-six billion, seven hundred twenty million, one hundred thirty-six thousand, two hundred three".