77389103 has 8 divisors (see below), whose sum is σ = 84827136. Its totient is φ = 70018200.

The previous prime is 77389097. The next prime is 77389127. The reversal of 77389103 is 30198377.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77389103 - 2¹⁶ = 77323567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77389183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14351 + ... + 18992.

It is an arithmetic number, because the mean of its divisors is an integer number (10603392).

Almost surely, 2^77389103 is an apocalyptic number.

77389103 is a deficient number, since it is larger than the sum of its proper divisors (7438033).

77389103 is a wasteful number, since it uses less digits than its factorization.

77389103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33565.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 77389103 is about 8797.1076496767. The cubic root of 77389103 is about 426.1474927723.

The spelling of 77389103 in words is "seventy-seven million, three hundred eighty-nine thousand, one hundred three".