977045 has 8 divisors (see below), whose sum is σ = 1178496. Its totient is φ = 777616.

The previous prime is 977023. The next prime is 977047. The reversal of 977045 is 540779.

Added to its reverse (540779) it gives a square (1517824 = 1232²).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-977045 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 (977047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 944 + ... + 1686.

It is an arithmetic number, because the mean of its divisors is an integer number (147312).

2⁹⁷⁷⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

977045 is a deficient number, since it is larger than the sum of its proper divisors (201451).

977045 is a wasteful number, since it uses less digits than its factorization.

977045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 977045 is about 988.4558664908. The cubic root of 977045 is about 99.2289027059.

Adding to 977045 its reverse (540779), we get a square (1517824 = 1232²).

The spelling of 977045 in words is "nine hundred seventy-seven thousand, forty-five".