77050051 has 4 divisors (see below), whose sum is σ = 82976992. Its totient is φ = 71123112.

The previous prime is 77050019. The next prime is 77050087. The reversal of 77050051 is 15005077.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15005077 = 73 ⋅205549.

It is a cyclic number.

It is not a de Polignac number, because 77050051 - 2⁵ = 77050019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77049998 and 77050025.

It is not an unprimeable number, because it can be changed into a prime (77050151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2963451 + ... + 2963476.

It is an arithmetic number, because the mean of its divisors is an integer number (20744248).

Almost surely, 2^77050051 is an apocalyptic number.

77050051 is a deficient number, since it is larger than the sum of its proper divisors (5926941).

77050051 is a wasteful number, since it uses less digits than its factorization.

77050051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5926940.

The product of its (nonzero) digits is 1225, while the sum is 25.

The square root of 77050051 is about 8777.8158445025. The cubic root of 77050051 is about 425.5242453400.

The spelling of 77050051 in words is "seventy-seven million, fifty thousand, fifty-one".