77432401283 has 2 divisors, whose sum is σ = 77432401284. Its totient is φ = 77432401282.

The previous prime is 77432401219. The next prime is 77432401297. The reversal of 77432401283 is 38210423477.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77432401283 - 2⁶ = 77432401219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77432401283.

It is not a weakly prime, because it can be changed into another prime (77432406283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38716200641 + 38716200642.

It is an arithmetic number, because the mean of its divisors is an integer number (38716200642).

Almost surely, 2^77432401283 is an apocalyptic number.

77432401283 is a deficient number, since it is larger than the sum of its proper divisors (1).

77432401283 is an equidigital number, since it uses as much as digits as its factorization.

77432401283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 77432401283 in words is "seventy-seven billion, four hundred thirty-two million, four hundred one thousand, two hundred eighty-three".