97138798 has 8 divisors (see below), whose sum is σ = 152043408. Its totient is φ = 46457664.

The previous prime is 97138781. The next prime is 97138813. The reversal of 97138798 is 89783179.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055811 + ... + 1055902.

It is an arithmetic number, because the mean of its divisors is an integer number (19005426).

Almost surely, 2^97138798 is an apocalyptic number.

97138798 is a deficient number, since it is larger than the sum of its proper divisors (54904610).

97138798 is a wasteful number, since it uses less digits than its factorization.

97138798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111738.

The product of its digits is 762048, while the sum is 52.

The square root of 97138798 is about 9855.9016837629. The cubic root of 97138798 is about 459.6891377966.

The spelling of 97138798 in words is "ninety-seven million, one hundred thirty-eight thousand, seven hundred ninety-eight".