775142164 has 48 divisors (see below), whose sum is σ = 1453636800. Its totient is φ = 360619776.

The previous prime is 775142161. The next prime is 775142167. The reversal of 775142164 is 461241577.

It is an interprime number because it is at equal distance from previous prime (775142161) and next prime (775142167).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775142161) 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, 1134567 + ... + 1135249.

It is an arithmetic number, because the mean of its divisors is an integer number (30284100).

Almost surely, 2^775142164 is an apocalyptic number.

It is an amenable number.

775142164 is a deficient number, since it is larger than the sum of its proper divisors (678494636).

775142164 is a wasteful number, since it uses less digits than its factorization.

775142164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952 (or 950 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 775142164 is about 27841.3750378820. The cubic root of 775142164 is about 918.6014367648.

The spelling of 775142164 in words is "seven hundred seventy-five million, one hundred forty-two thousand, one hundred sixty-four".