107820472557 has 32 divisors (see below), whose sum is σ = 164913667072. Its totient is φ = 61380975744.

The previous prime is 107820472553. The next prime is 107820472589. The reversal of 107820472557 is 755274028701.

It is not a de Polignac number, because 107820472557 - 2² = 107820472553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107820472553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25959993 + ... + 25964145.

It is an arithmetic number, because the mean of its divisors is an integer number (5153552096).

Almost surely, 2^107820472557 is an apocalyptic number.

It is an amenable number.

107820472557 is a deficient number, since it is larger than the sum of its proper divisors (57093194515).

107820472557 is a wasteful number, since it uses less digits than its factorization.

107820472557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8497.

The product of its (nonzero) digits is 1097600, while the sum is 48.

The spelling of 107820472557 in words is "one hundred seven billion, eight hundred twenty million, four hundred seventy-two thousand, five hundred fifty-seven".