77740103 has 4 divisors (see below), whose sum is σ = 88845840. Its totient is φ = 66634368.

The previous prime is 77740081. The next prime is 77740121. The reversal of 77740103 is 30104777.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30104777 = 223 ⋅134999.

It is a cyclic number.

It is not a de Polignac number, because 77740103 - 2¹⁴ = 77723719 is a prime.

It is a super-2 number, since 2×77740103² = 12087047228901218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77740903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5552858 + ... + 5552871.

It is an arithmetic number, because the mean of its divisors is an integer number (22211460).

Almost surely, 2^77740103 is an apocalyptic number.

77740103 is a deficient number, since it is larger than the sum of its proper divisors (11105737).

77740103 is a wasteful number, since it uses less digits than its factorization.

77740103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11105736.

The product of its (nonzero) digits is 4116, while the sum is 29.

The square root of 77740103 is about 8817.0348190307. The cubic root of 77740103 is about 426.7907883376.

The spelling of 77740103 in words is "seventy-seven million, seven hundred forty thousand, one hundred three".