77102783952 has 40 divisors (see below), whose sum is σ = 206050547040. Its totient is φ = 24814688640.

The previous prime is 77102783951. The next prime is 77102783969. The reversal of 77102783952 is 25938720177.

It is a junction number, because it is equal to n+sod(n) for n = 77102783895 and 77102783904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77102783951) 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, 27693574 + ... + 27696357.

It is an arithmetic number, because the mean of its divisors is an integer number (5151263676).

Almost surely, 2^77102783952 is an apocalyptic number.

It is an amenable number.

77102783952 is an abundant number, since it is smaller than the sum of its proper divisors (128947763088).

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

77102783952 is a wasteful number, since it uses less digits than its factorization.

77102783952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55389971 (or 55389965 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 51.

The spelling of 77102783952 in words is "seventy-seven billion, one hundred two million, seven hundred eighty-three thousand, nine hundred fifty-two".