78475101 has 16 divisors (see below), whose sum is σ = 107308800. Its totient is φ = 50988608.

The previous prime is 78475087. The next prime is 78475123. The reversal of 78475101 is 10157487.

It is not a de Polignac number, because 78475101 - 2¹⁵ = 78442333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78475801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36895 + ... + 38963.

It is an arithmetic number, because the mean of its divisors is an integer number (6706800).

Almost surely, 2^78475101 is an apocalyptic number.

It is an amenable number.

78475101 is a deficient number, since it is larger than the sum of its proper divisors (28833699).

78475101 is a wasteful number, since it uses less digits than its factorization.

78475101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2388.

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 78475101 is about 8858.6173300352. The cubic root of 78475101 is about 428.1316103975.

The spelling of 78475101 in words is "seventy-eight million, four hundred seventy-five thousand, one hundred one".