77677059 has 4 divisors (see below), whose sum is σ = 103569416. Its totient is φ = 51784704.

The previous prime is 77677057. The next prime is 77677079. The reversal of 77677059 is 95077677.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95077677 = 3 ⋅31692559.

It is not a de Polignac number, because 77677059 - 2¹ = 77677057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77676999 and 77677017.

It is not an unprimeable number, because it can be changed into a prime (77677057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12946174 + ... + 12946179.

It is an arithmetic number, because the mean of its divisors is an integer number (25892354).

Almost surely, 2^77677059 is an apocalyptic number.

77677059 is a deficient number, since it is larger than the sum of its proper divisors (25892357).

77677059 is a wasteful number, since it uses less digits than its factorization.

77677059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25892356.

The product of its (nonzero) digits is 648270, while the sum is 48.

The square root of 77677059 is about 8813.4589690995. The cubic root of 77677059 is about 426.6753872594.

The spelling of 77677059 in words is "seventy-seven million, six hundred seventy-seven thousand, fifty-nine".