77288964149 has 8 divisors (see below), whose sum is σ = 77690860800. Its totient is φ = 76888097856.

The previous prime is 77288964127. The next prime is 77288964173. The reversal of 77288964149 is 94146988277.

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 77288964149 - 2¹² = 77288960053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77288964119) 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, 106949 + ... + 407450.

It is an arithmetic number, because the mean of its divisors is an integer number (9711357600).

Almost surely, 2^77288964149 is an apocalyptic number.

It is an amenable number.

77288964149 is a deficient number, since it is larger than the sum of its proper divisors (401896651).

77288964149 is a wasteful number, since it uses less digits than its factorization.

77288964149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515179.

The product of its digits is 48771072, while the sum is 65.

The spelling of 77288964149 in words is "seventy-seven billion, two hundred eighty-eight million, nine hundred sixty-four thousand, one hundred forty-nine".