1468178857 has 2 divisors, whose sum is σ = 1468178858. Its totient is φ = 1468178856.

The previous prime is 1468178821. The next prime is 1468179029. The reversal of 1468178857 is 7588718641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1468115856 + 63001 = 38316^2 + 251^2 .

It is a cyclic number.

It is not a de Polignac number, because 1468178857 - 2¹⁵ = 1468146089 is a prime.

It is a super-2 number, since 2×1468178857² = 4311098312283652898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1468178798 and 1468178807.

It is not a weakly prime, because it can be changed into another prime (1468178807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 734089428 + 734089429.

It is an arithmetic number, because the mean of its divisors is an integer number (734089429).

Almost surely, 2^1468178857 is an apocalyptic number.

It is an amenable number.

1468178857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1468178857 is an equidigital number, since it uses as much as digits as its factorization.

1468178857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3010560, while the sum is 55.

The square root of 1468178857 is about 38316.8221150972. The cubic root of 1468178857 is about 1136.5616253650.

The spelling of 1468178857 in words is "one billion, four hundred sixty-eight million, one hundred seventy-eight thousand, eight hundred fifty-seven".