677420481 has 16 divisors (see below), whose sum is σ = 907776000. Its totient is φ = 449346768.

The previous prime is 677420479. The next prime is 677420489. The reversal of 677420481 is 184024776.

It is not a de Polignac number, because 677420481 - 2¹ = 677420479 is a prime.

It is a super-2 number, since 2×677420481² = 917797016156542722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (677420489) 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, 860370 + ... + 861156.

It is an arithmetic number, because the mean of its divisors is an integer number (56736000).

Almost surely, 2^677420481 is an apocalyptic number.

It is an amenable number.

677420481 is a deficient number, since it is larger than the sum of its proper divisors (230355519).

677420481 is a wasteful number, since it uses less digits than its factorization.

677420481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 677420481 is about 26027.3026070701. The cubic root of 677420481 is about 878.2525935270.

The spelling of 677420481 in words is "six hundred seventy-seven million, four hundred twenty thousand, four hundred eighty-one".