77732087077037 has 2 divisors, whose sum is σ = 77732087077038. Its totient is φ = 77732087077036.

The previous prime is 77732087077019. The next prime is 77732087077129. The reversal of 77732087077037 is 73077078023777.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71201092829476 + 6530994247561 = 8438074^2 + 2555581^2 .

It is a cyclic number.

It is not a de Polignac number, because 77732087077037 - 2¹⁰ = 77732087076013 is a prime.

It is a super-2 number, since 2×77732087077037² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77732087077937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38866043538518 + 38866043538519.

It is an arithmetic number, because the mean of its divisors is an integer number (38866043538519).

Almost surely, 2^{77732087077037} is an apocalyptic number.

It is an amenable number.

77732087077037 is a deficient number, since it is larger than the sum of its proper divisors (1).

77732087077037 is an equidigital number, since it uses as much as digits as its factorization.

77732087077037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 118590192, while the sum is 65.

The spelling of 77732087077037 in words is "seventy-seven trillion, seven hundred thirty-two billion, eighty-seven million, seventy-seven thousand, thirty-seven".