77052141 has 12 divisors (see below), whose sum is σ = 115420032. Its totient is φ = 51367932.

The previous prime is 77052133. The next prime is 77052179. The reversal of 77052141 is 14125077.

It is not a de Polignac number, because 77052141 - 2³ = 77052133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77052121) 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, 158301 + ... + 158786.

It is an arithmetic number, because the mean of its divisors is an integer number (9618336).

Almost surely, 2^77052141 is an apocalyptic number.

It is an amenable number.

77052141 is a deficient number, since it is larger than the sum of its proper divisors (38367891).

77052141 is an equidigital number, since it uses as much as digits as its factorization.

77052141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317102 (or 317090 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 77052141 is about 8777.9348938119. The cubic root of 77052141 is about 425.5280927856.

The spelling of 77052141 in words is "seventy-seven million, fifty-two thousand, one hundred forty-one".