462978681 has 16 divisors (see below), whose sum is σ = 708867840. Its totient is φ = 265824720.

The previous prime is 462978679. The next prime is 462978739. The reversal of 462978681 is 186879264.

It is not a de Polignac number, because 462978681 - 2¹ = 462978679 is a prime.

It is a super-2 number, since 2×462978681² = 428698518120999522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (462977681) 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, 368575 + ... + 369828.

It is an arithmetic number, because the mean of its divisors is an integer number (44304240).

Almost surely, 2^462978681 is an apocalyptic number.

It is an amenable number.

462978681 is a deficient number, since it is larger than the sum of its proper divisors (245889159).

462978681 is a wasteful number, since it uses less digits than its factorization.

462978681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738436.

The product of its digits is 1161216, while the sum is 51.

The square root of 462978681 is about 21516.9393966707. The cubic root of 462978681 is about 773.6068936362.

The spelling of 462978681 in words is "four hundred sixty-two million, nine hundred seventy-eight thousand, six hundred eighty-one".