77738263052 has 12 divisors (see below), whose sum is σ = 136072514760. Its totient is φ = 38860401696.

The previous prime is 77738263039. The next prime is 77738263067. The reversal of 77738263052 is 25036283777.

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, 2162402 + ... + 2198057.

It is an arithmetic number, because the mean of its divisors is an integer number (11339376230).

Almost surely, 2^77738263052 is an apocalyptic number.

It is an amenable number.

77738263052 is a deficient number, since it is larger than the sum of its proper divisors (58334251708).

77738263052 is a wasteful number, since it uses less digits than its factorization.

77738263052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4364920 (or 4364918 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 50.

The spelling of 77738263052 in words is "seventy-seven billion, seven hundred thirty-eight million, two hundred sixty-three thousand, fifty-two".