77779058 has 16 divisors (see below), whose sum is σ = 134835840. Its totient is φ = 32958816.

The previous prime is 77779057. The next prime is 77779061. The reversal of 77779058 is 85097777.

It is a junction number, because it is equal to n+sod(n) for n = 77778997 and 77779015.

It is not an unprimeable number, because it can be changed into a prime (77779057) 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 7 ways as a sum of consecutive naturals, for example, 29966 + ... + 32457.

It is an arithmetic number, because the mean of its divisors is an integer number (8427240).

Almost surely, 2^77779058 is an apocalyptic number.

77779058 is a deficient number, since it is larger than the sum of its proper divisors (57056782).

77779058 is a wasteful number, since it uses less digits than its factorization.

77779058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62521.

The product of its (nonzero) digits is 864360, while the sum is 50.

The square root of 77779058 is about 8819.2436183609. The cubic root of 77779058 is about 426.8620636867.

The spelling of 77779058 in words is "seventy-seven million, seven hundred seventy-nine thousand, fifty-eight".