78241097 has 8 divisors (see below), whose sum is σ = 85590912. Its totient is φ = 70930800.

The previous prime is 78241067. The next prime is 78241109. The reversal of 78241097 is 79014287.

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

It is a cyclic number.

It is not a de Polignac number, because 78241097 - 2¹⁰ = 78240073 is a prime.

It is a super-2 number, since 2×78241097² = 12243338519526818, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78241097.

It is not an unprimeable number, because it can be changed into a prime (78241027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5654 + ... + 13727.

It is an arithmetic number, because the mean of its divisors is an integer number (10698864).

Almost surely, 2^78241097 is an apocalyptic number.

It is an amenable number.

78241097 is a deficient number, since it is larger than the sum of its proper divisors (7349815).

78241097 is a wasteful number, since it uses less digits than its factorization.

78241097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19759.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 78241097 is about 8845.3997648495. The cubic root of 78241097 is about 427.7056398113.

The spelling of 78241097 in words is "seventy-eight million, two hundred forty-one thousand, ninety-seven".