77253367556 has 12 divisors (see below), whose sum is σ = 135257816400. Its totient is φ = 38608277160.

The previous prime is 77253367531. The next prime is 77253367559. The reversal of 77253367556 is 65576335277.

It is not an unprimeable number, because it can be changed into a prime (77253367559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4592210 + ... + 4609001.

It is an arithmetic number, because the mean of its divisors is an integer number (11271484700).

Almost surely, 2^77253367556 is an apocalyptic number.

It is an amenable number.

77253367556 is a deficient number, since it is larger than the sum of its proper divisors (58004448844).

77253367556 is a wasteful number, since it uses less digits than its factorization.

77253367556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9203314 (or 9203312 counting only the distinct ones).

The product of its digits is 27783000, while the sum is 56.

The spelling of 77253367556 in words is "seventy-seven billion, two hundred fifty-three million, three hundred sixty-seven thousand, five hundred fifty-six".