77934357 has 12 divisors (see below), whose sum is σ = 114158304. Its totient is φ = 51224040.

The previous prime is 77934349. The next prime is 77934383. The reversal of 77934357 is 75343977.

It is not a de Polignac number, because 77934357 - 2³ = 77934349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77934347) 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 11 ways as a sum of consecutive naturals, for example, 60343 + ... + 61620.

It is an arithmetic number, because the mean of its divisors is an integer number (9513192).

Almost surely, 2^77934357 is an apocalyptic number.

It is an amenable number.

77934357 is a deficient number, since it is larger than the sum of its proper divisors (36223947).

77934357 is a wasteful number, since it uses less digits than its factorization.

77934357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122040 (or 122037 counting only the distinct ones).

The product of its digits is 555660, while the sum is 45.

The square root of 77934357 is about 8828.0437810423. The cubic root of 77934357 is about 427.1459754990.

The spelling of 77934357 in words is "seventy-seven million, nine hundred thirty-four thousand, three hundred fifty-seven".