77047107322 has 4 divisors (see below), whose sum is σ = 115570660986. Its totient is φ = 38523553660.

The previous prime is 77047107317. The next prime is 77047107323. The reversal of 77047107322 is 22370174077.

It is a happy number.

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., 55470141441 + 21576965881 = 235521^2 + 146891^2 .

It is not an unprimeable number, because it can be changed into a prime (77047107323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19261776829 + ... + 19261776832.

Almost surely, 2^77047107322 is an apocalyptic number.

77047107322 is a deficient number, since it is larger than the sum of its proper divisors (38523553664).

77047107322 is a wasteful number, since it uses less digits than its factorization.

77047107322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38523553663.

The product of its (nonzero) digits is 115248, while the sum is 40.

The spelling of 77047107322 in words is "seventy-seven billion, forty-seven million, one hundred seven thousand, three hundred twenty-two".