77734227 has 16 divisors (see below), whose sum is σ = 108396288. Its totient is φ = 49457760.

The previous prime is 77734213. The next prime is 77734243. The reversal of 77734227 is 72243777.

It is not a de Polignac number, because 77734227 - 2¹⁰ = 77733203 is a prime.

It is a super-2 number, since 2×77734227² = 12085220094575058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77734207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38413 + ... + 40385.

It is an arithmetic number, because the mean of its divisors is an integer number (6774768).

Almost surely, 2^77734227 is an apocalyptic number.

77734227 is a deficient number, since it is larger than the sum of its proper divisors (30662061).

77734227 is a wasteful number, since it uses less digits than its factorization.

77734227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570.

The product of its digits is 115248, while the sum is 39.

The square root of 77734227 is about 8816.7015941337. The cubic root of 77734227 is about 426.7800350465.

The spelling of 77734227 in words is "seventy-seven million, seven hundred thirty-four thousand, two hundred twenty-seven".