106478091457 has 4 divisors (see below), whose sum is σ = 106478746560. Its totient is φ = 106477436356.

The previous prime is 106478091443. The next prime is 106478091493. The reversal of 106478091457 is 754190874601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 106478091457 - 2²⁷ = 106343873729 is a prime.

It is a super-2 number, since 2×106478091457² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106478091407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121044 + ... + 477082.

It is an arithmetic number, because the mean of its divisors is an integer number (26619686640).

Almost surely, 2^106478091457 is an apocalyptic number.

It is an amenable number.

106478091457 is a deficient number, since it is larger than the sum of its proper divisors (655103).

106478091457 is an equidigital number, since it uses as much as digits as its factorization.

106478091457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655102.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 106478091457 in words is "one hundred six billion, four hundred seventy-eight million, ninety-one thousand, four hundred fifty-seven".