97688407 has 2 divisors, whose sum is σ = 97688408. Its totient is φ = 97688406.

The previous prime is 97688401. The next prime is 97688413. The reversal of 97688407 is 70488679.

It is a balanced prime because it is at equal distance from previous prime (97688401) and next prime (97688413).

It is a cyclic number.

It is not a de Polignac number, because 97688407 - 2²³ = 89299799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97688401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48844203 + 48844204.

It is an arithmetic number, because the mean of its divisors is an integer number (48844204).

Almost surely, 2^97688407 is an apocalyptic number.

97688407 is a deficient number, since it is larger than the sum of its proper divisors (1).

97688407 is an equidigital number, since it uses as much as digits as its factorization.

97688407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 97688407 is about 9883.7445839115. The cubic root of 97688407 is about 460.5544778740.

The spelling of 97688407 in words is "ninety-seven million, six hundred eighty-eight thousand, four hundred seven".