77450003 has 2 divisors, whose sum is σ = 77450004. Its totient is φ = 77450002.

The previous prime is 77449979. The next prime is 77450029. The reversal of 77450003 is 30005477.

It is an a-pointer prime, because the next prime (77450029) can be obtained adding 77450003 to its sum of digits (26).

It is a weak prime.

It is an emirp because it is prime and its reverse (30005477) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77450003 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (77450033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38725001 + 38725002.

It is an arithmetic number, because the mean of its divisors is an integer number (38725002).

Almost surely, 2^77450003 is an apocalyptic number.

77450003 is a deficient number, since it is larger than the sum of its proper divisors (1).

77450003 is an equidigital number, since it uses as much as digits as its factorization.

77450003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 77450003 is about 8800.5683339203. The cubic root of 77450003 is about 426.2592465666.

The spelling of 77450003 in words is "seventy-seven million, four hundred fifty thousand, three".