77677322 has 4 divisors (see below), whose sum is σ = 116515986. Its totient is φ = 38838660.

The previous prime is 77677291. The next prime is 77677343. The reversal of 77677322 is 22377677.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 77281681 + 395641 = 8791^2 + 629^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 77677322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19419329 + ... + 19419332.

Almost surely, 2^77677322 is an apocalyptic number.

77677322 is a deficient number, since it is larger than the sum of its proper divisors (38838664).

77677322 is a wasteful number, since it uses less digits than its factorization.

77677322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38838663.

The product of its digits is 172872, while the sum is 41.

The square root of 77677322 is about 8813.4738894490. The cubic root of 77677322 is about 426.6758688065.

The spelling of 77677322 in words is "seventy-seven million, six hundred seventy-seven thousand, three hundred twenty-two".