97888877 has 2 divisors, whose sum is σ = 97888878. Its totient is φ = 97888876.

The previous prime is 97888871. The next prime is 97888909. The reversal of 97888877 is 77888879.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93334921 + 4553956 = 9661^2 + 2134^2 .

It is a cyclic number.

It is not a de Polignac number, because 97888877 - 2¹⁴ = 97872493 is a prime.

It is a super-2 number, since 2×97888877² = 19164464480642258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97888871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48944438 + 48944439.

It is an arithmetic number, because the mean of its divisors is an integer number (48944439).

Almost surely, 2^97888877 is an apocalyptic number.

It is an amenable number.

97888877 is a deficient number, since it is larger than the sum of its proper divisors (1).

97888877 is an equidigital number, since it uses as much as digits as its factorization.

97888877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12644352, while the sum is 62.

The square root of 97888877 is about 9893.8807856169. The cubic root of 97888877 is about 460.8693029210.

The spelling of 97888877 in words is "ninety-seven million, eight hundred eighty-eight thousand, eight hundred seventy-seven".