84877097537 has 2 divisors, whose sum is σ = 84877097538. Its totient is φ = 84877097536.

The previous prime is 84877097453. The next prime is 84877097549. The reversal of 84877097537 is 73579077848.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44283310096 + 40593787441 = 210436^2 + 201479^2 .

It is a cyclic number.

It is not a de Polignac number, because 84877097537 - 2⁸ = 84877097281 is a prime.

It is a super-2 number, since 2×84877097537² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84877090537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42438548768 + 42438548769.

It is an arithmetic number, because the mean of its divisors is an integer number (42438548769).

Almost surely, 2^84877097537 is an apocalyptic number.

It is an amenable number.

84877097537 is a deficient number, since it is larger than the sum of its proper divisors (1).

84877097537 is an equidigital number, since it uses as much as digits as its factorization.

84877097537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82978560, while the sum is 65.

The spelling of 84877097537 in words is "eighty-four billion, eight hundred seventy-seven million, ninety-seven thousand, five hundred thirty-seven".