77770234 has 16 divisors (see below), whose sum is σ = 118080000. Its totient is φ = 38413440.

The previous prime is 77770219. The next prime is 77770237. The reversal of 77770234 is 43207777.

It is a junction number, because it is equal to n+sod(n) for n = 77770193 and 77770202.

It is not an unprimeable number, because it can be changed into a prime (77770237) 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, 61642 + ... + 62890.

It is an arithmetic number, because the mean of its divisors is an integer number (7380000).

Almost surely, 2^77770234 is an apocalyptic number.

77770234 is a deficient number, since it is larger than the sum of its proper divisors (40309766).

77770234 is a wasteful number, since it uses less digits than its factorization.

77770234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605.

The product of its (nonzero) digits is 57624, while the sum is 37.

The square root of 77770234 is about 8818.7433345120. The cubic root of 77770234 is about 426.8459206382.

The spelling of 77770234 in words is "seventy-seven million, seven hundred seventy thousand, two hundred thirty-four".