117771357 has 12 divisors (see below), whose sum is σ = 172602080. Its totient is φ = 71376360.

The previous prime is 117771343. The next prime is 117771361. The reversal of 117771357 is 753177711.

It is not a de Polignac number, because 117771357 - 2¹⁶ = 117705821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117771337) 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, 161857 + ... + 162582.

Almost surely, 2^117771357 is an apocalyptic number.

It is an amenable number.

117771357 is a deficient number, since it is larger than the sum of its proper divisors (54830723).

117771357 is a wasteful number, since it uses less digits than its factorization.

117771357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324464 (or 324453 counting only the distinct ones).

The product of its digits is 36015, while the sum is 39.

The square root of 117771357 is about 10852.2512411020. The cubic root of 117771357 is about 490.1698106437.

The spelling of 117771357 in words is "one hundred seventeen million, seven hundred seventy-one thousand, three hundred fifty-seven".