146577478867 has 16 divisors (see below), whose sum is σ = 153560836800. Its totient is φ = 139730550400.

The previous prime is 146577478847. The next prime is 146577478889. The reversal of 146577478867 is 768874775641.

It is a cyclic number.

It is not a de Polignac number, because 146577478867 - 2³¹ = 144429995219 is a prime.

It is a super-2 number, since 2×146577478867² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146577478796 and 146577478805.

It is not an unprimeable number, because it can be changed into a prime (146577478807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 981813 + ... + 1121209.

It is an arithmetic number, because the mean of its divisors is an integer number (9597552300).

Almost surely, 2^146577478867 is an apocalyptic number.

146577478867 is a deficient number, since it is larger than the sum of its proper divisors (6983357933).

146577478867 is a wasteful number, since it uses less digits than its factorization.

146577478867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139886.

The product of its digits is 442552320, while the sum is 70.

The spelling of 146577478867 in words is "one hundred forty-six billion, five hundred seventy-seven million, four hundred seventy-eight thousand, eight hundred sixty-seven".