977165481 has 8 divisors (see below), whose sum is σ = 1303084224. Its totient is φ = 651345200.

The previous prime is 977165479. The next prime is 977165509. The reversal of 977165481 is 184561779.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 977165481 - 2¹ = 977165479 is a prime.

It is a super-2 number, since 2×977165481² = 1909704754515922722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 977165481.

It is not an unprimeable number, because it can be changed into a prime (977165471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2956 + ... + 44306.

It is an arithmetic number, because the mean of its divisors is an integer number (162885528).

Almost surely, 2^977165481 is an apocalyptic number.

It is an amenable number.

977165481 is a deficient number, since it is larger than the sum of its proper divisors (325918743).

977165481 is a wasteful number, since it uses less digits than its factorization.

977165481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49231.

The product of its digits is 423360, while the sum is 48.

The square root of 977165481 is about 31259.6462072110. The cubic root of 977165481 is about 992.3298123043.

The spelling of 977165481 in words is "nine hundred seventy-seven million, one hundred sixty-five thousand, four hundred eighty-one".