537440077 has 2 divisors, whose sum is σ = 537440078. Its totient is φ = 537440076.

The previous prime is 537440053. The next prime is 537440083. The reversal of 537440077 is 770044735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 365803876 + 171636201 = 19126^2 + 13101^2 .

It is a cyclic number.

It is not a de Polignac number, because 537440077 - 2¹⁵ = 537407309 is a prime.

It is equal to p_28220977 and since 537440077 and 28220977 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (537440377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268720038 + 268720039.

It is an arithmetic number, because the mean of its divisors is an integer number (268720039).

Almost surely, 2^537440077 is an apocalyptic number.

It is an amenable number.

537440077 is a deficient number, since it is larger than the sum of its proper divisors (1).

537440077 is an equidigital number, since it uses as much as digits as its factorization.

537440077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82320, while the sum is 37.

The square root of 537440077 is about 23182.7538700647. The cubic root of 537440077 is about 813.0364498988.

It can be divided in two parts, 5374 and 40077, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 537440077 in words is "five hundred thirty-seven million, four hundred forty thousand, seventy-seven".