77938552 has 16 divisors (see below), whose sum is σ = 146307600. Its totient is φ = 38923200.

The previous prime is 77938543. The next prime is 77938579. The reversal of 77938552 is 25583977.

It is a congruent number.

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, 2052 + ... + 12652.

It is an arithmetic number, because the mean of its divisors is an integer number (9144225).

Almost surely, 2^77938552 is an apocalyptic number.

It is an amenable number.

77938552 is a deficient number, since it is larger than the sum of its proper divisors (68369048).

77938552 is a wasteful number, since it uses less digits than its factorization.

77938552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11526 (or 11522 counting only the distinct ones).

The product of its digits is 529200, while the sum is 46.

The square root of 77938552 is about 8828.2813729514. The cubic root of 77938552 is about 427.1536394069.

The spelling of 77938552 in words is "seventy-seven million, nine hundred thirty-eight thousand, five hundred fifty-two".