102657380047 has 8 divisors (see below), whose sum is σ = 104609213856. Its totient is φ = 100706098272.

The previous prime is 102657379999. The next prime is 102657380081. The reversal of 102657380047 is 740083756201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102657380047 is a prime.

It is a super-2 number, since 2×102657380047² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102657379985 and 102657380012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102657380347) 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, 247593 + ... + 516349.

It is an arithmetic number, because the mean of its divisors is an integer number (13076151732).

Almost surely, 2^102657380047 is an apocalyptic number.

102657380047 is a deficient number, since it is larger than the sum of its proper divisors (1951833809).

102657380047 is an equidigital number, since it uses as much as digits as its factorization.

102657380047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276017.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 102657380047 in words is "one hundred two billion, six hundred fifty-seven million, three hundred eighty thousand, forty-seven".