461024978878465 has 16 divisors (see below), whose sum is σ = 554079052171008. Its totient is φ = 368254118685376.

The previous prime is 461024978878439. The next prime is 461024978878481. The reversal of 461024978878465 is 564878879420164.

It is a cyclic number.

It is not a de Polignac number, because 461024978878465 - 2²³ = 461024970489857 is a prime.

It is a super-2 number, since 2×461024978878465² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7999887 + ... + 31401403.

It is an arithmetic number, because the mean of its divisors is an integer number (34629940760688).

Almost surely, 2^{461024978878465} is an apocalyptic number.

It is an amenable number.

461024978878465 is a deficient number, since it is larger than the sum of its proper divisors (93054073292543).

461024978878465 is a wasteful number, since it uses less digits than its factorization.

461024978878465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23407568.

The product of its (nonzero) digits is 5202247680, while the sum is 79.

The spelling of 461024978878465 in words is "four hundred sixty-one trillion, twenty-four billion, nine hundred seventy-eight million, eight hundred seventy-eight thousand, four hundred sixty-five".