77954132 has 12 divisors (see below), whose sum is σ = 136552416. Its totient is φ = 38939160.

The previous prime is 77954113. The next prime is 77954137. The reversal of 77954132 is 23145977.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77954137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4568 + ... + 13295.

It is an arithmetic number, because the mean of its divisors is an integer number (11379368).

Almost surely, 2^77954132 is an apocalyptic number.

It is an amenable number.

77954132 is a deficient number, since it is larger than the sum of its proper divisors (58598284).

77954132 is a wasteful number, since it uses less digits than its factorization.

77954132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18958 (or 18956 counting only the distinct ones).

The product of its digits is 52920, while the sum is 38.

The square root of 77954132 is about 8829.1637203078. The cubic root of 77954132 is about 427.1821003339.

The spelling of 77954132 in words is "seventy-seven million, nine hundred fifty-four thousand, one hundred thirty-two".