77629393052028 has 36 divisors (see below), whose sum is σ = 196235782666560. Its totient is φ = 25875682635456.

The previous prime is 77629393051979. The next prime is 77629393052041. The reversal of 77629393052028 is 82025039392677.

77629393052028 is a `hidden beast` number, since 7 + 7 + 6 + 29 + 39 + 30 + 520 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31362625 + ... + 33747192.

It is an arithmetic number, because the mean of its divisors is an integer number (5450993962960).

Almost surely, 2^{77629393052028} is an apocalyptic number.

It is an amenable number.

77629393052028 is an abundant number, since it is smaller than the sum of its proper divisors (118606389614532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77629393052028 is a wasteful number, since it uses less digits than its factorization.

77629393052028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65142946 (or 65142941 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 63.

The spelling of 77629393052028 in words is "seventy-seven trillion, six hundred twenty-nine billion, three hundred ninety-three million, fifty-two thousand, twenty-eight".