77002230379 has 2 divisors, whose sum is σ = 77002230380. Its totient is φ = 77002230378.

The previous prime is 77002230359. The next prime is 77002230479. The reversal of 77002230379 is 97303220077.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77002230379 is a prime.

It is not a weakly prime, because it can be changed into another prime (77002230359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38501115189 + 38501115190.

It is an arithmetic number, because the mean of its divisors is an integer number (38501115190).

Almost surely, 2^77002230379 is an apocalyptic number.

77002230379 is a deficient number, since it is larger than the sum of its proper divisors (1).

77002230379 is an equidigital number, since it uses as much as digits as its factorization.

77002230379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 111132, while the sum is 40.

The spelling of 77002230379 in words is "seventy-seven billion, two million, two hundred thirty thousand, three hundred seventy-nine".