77193262852 has 12 divisors (see below), whose sum is σ = 142198115920. Its totient is φ = 36565229736.

The previous prime is 77193262847. The next prime is 77193262877. The reversal of 77193262852 is 25826239177.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 77193262852.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507850338 + ... + 507850489.

Almost surely, 2^77193262852 is an apocalyptic number.

It is an amenable number.

77193262852 is a deficient number, since it is larger than the sum of its proper divisors (65004853068).

77193262852 is a wasteful number, since it uses less digits than its factorization.

77193262852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015700850 (or 1015700848 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 52.

The spelling of 77193262852 in words is "seventy-seven billion, one hundred ninety-three million, two hundred sixty-two thousand, eight hundred fifty-two".