77132943 has 12 divisors (see below), whose sum is σ = 111713160. Its totient is φ = 51284016.

The previous prime is 77132933. The next prime is 77132947. The reversal of 77132943 is 34923177.

It is not a de Polignac number, because 77132943 - 2⁵ = 77132911 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 77132898 and 77132907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77132947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7896 + ... + 14717.

It is an arithmetic number, because the mean of its divisors is an integer number (9309430).

Almost surely, 2^77132943 is an apocalyptic number.

77132943 is a deficient number, since it is larger than the sum of its proper divisors (34580217).

77132943 is a wasteful number, since it uses less digits than its factorization.

77132943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22998 (or 22995 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 77132943 is about 8782.5362509926. The cubic root of 77132943 is about 425.6767865080.

The spelling of 77132943 in words is "seventy-seven million, one hundred thirty-two thousand, nine hundred forty-three".