77000003 has 2 divisors, whose sum is σ = 77000004. Its totient is φ = 77000002.

The previous prime is 76999981. The next prime is 77000029. The reversal of 77000003 is 30000077.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77000003 - 2²² = 72805699 is a prime.

It is not a weakly prime, because it can be changed into another prime (77000083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38500001 + 38500002.

It is an arithmetic number, because the mean of its divisors is an integer number (38500002).

Almost surely, 2^77000003 is an apocalyptic number.

77000003 is a deficient number, since it is larger than the sum of its proper divisors (1).

77000003 is an equidigital number, since it uses as much as digits as its factorization.

77000003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147, while the sum is 17.

The square root of 77000003 is about 8774.9645583330. The cubic root of 77000003 is about 425.4320920366.

The spelling of 77000003 in words is "seventy-seven million, three", and thus it is an aban number and an uban number.