977898463 has 12 divisors (see below), whose sum is σ = 1045960560. Its totient is φ = 911100800.

The previous prime is 977898461. The next prime is 977898491. The reversal of 977898463 is 364898779.

It is not a de Polignac number, because 977898463 - 2¹ = 977898461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977898461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170598 + ... + 176236.

It is an arithmetic number, because the mean of its divisors is an integer number (87163380).

Almost surely, 2^977898463 is an apocalyptic number.

977898463 is a deficient number, since it is larger than the sum of its proper divisors (68062097).

977898463 is a wasteful number, since it uses less digits than its factorization.

977898463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5858 (or 5757 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 61.

The square root of 977898463 is about 31271.3681024672. The cubic root of 977898463 is about 992.5778692655.

It can be divided in two parts, 9778 and 98463, that added together give a square (108241 = 329²).

The spelling of 977898463 in words is "nine hundred seventy-seven million, eight hundred ninety-eight thousand, four hundred sixty-three".