78354101 has 8 divisors (see below), whose sum is σ = 89605824. Its totient is φ = 67116960.

The previous prime is 78354097. The next prime is 78354137. The reversal of 78354101 is 10145387.

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 78354101 - 2² = 78354097 is a prime.

It is a super-3 number, since 3×78354101³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78354181) 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, 12881 + ... + 17961.

It is an arithmetic number, because the mean of its divisors is an integer number (11200728).

Almost surely, 2^78354101 is an apocalyptic number.

It is an amenable number.

78354101 is a deficient number, since it is larger than the sum of its proper divisors (11251723).

78354101 is a wasteful number, since it uses less digits than its factorization.

78354101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7291.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 78354101 is about 8851.7851871812. The cubic root of 78354101 is about 427.9114532082.

Adding to 78354101 its reverse (10145387), we get a palindrome (88499488).

The spelling of 78354101 in words is "seventy-eight million, three hundred fifty-four thousand, one hundred one".