77893652 has 24 divisors (see below), whose sum is σ = 141980160. Its totient is φ = 37346400.

The previous prime is 77893639. The next prime is 77893657. The reversal of 77893652 is 25639877.

It is a junction number, because it is equal to n+sod(n) for n = 77893597 and 77893606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77893657) 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, 15293 + ... + 19739.

It is an arithmetic number, because the mean of its divisors is an integer number (5915840).

Almost surely, 2^77893652 is an apocalyptic number.

It is an amenable number.

77893652 is a deficient number, since it is larger than the sum of its proper divisors (64086508).

77893652 is a wasteful number, since it uses less digits than its factorization.

77893652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4631 (or 4629 counting only the distinct ones).

The product of its digits is 635040, while the sum is 47.

The square root of 77893652 is about 8825.7380427928. The cubic root of 77893652 is about 427.0715966433.

The spelling of 77893652 in words is "seventy-seven million, eight hundred ninety-three thousand, six hundred fifty-two".