71600077949 has 8 divisors (see below), whose sum is σ = 72356714208. Its totient is φ = 70845061840.

The previous prime is 71600077943. The next prime is 71600077957. The reversal of 71600077949 is 94977000617.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71600077949 - 2¹⁶ = 71600012413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71600077897 and 71600077906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71600077943) 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, 316082 + ... + 493059.

It is an arithmetic number, because the mean of its divisors is an integer number (9044589276).

Almost surely, 2^71600077949 is an apocalyptic number.

It is an amenable number.

71600077949 is a deficient number, since it is larger than the sum of its proper divisors (756636259).

71600077949 is a wasteful number, since it uses less digits than its factorization.

71600077949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810075.

The product of its (nonzero) digits is 666792, while the sum is 50.

The spelling of 71600077949 in words is "seventy-one billion, six hundred million, seventy-seven thousand, nine hundred forty-nine".