977230597309 has 8 divisors (see below), whose sum is σ = 981542786360. Its totient is φ = 972918798336.

The previous prime is 977230597307. The next prime is 977230597331. The reversal of 977230597309 is 903795032779.

It can be written as a sum of positive squares in 4 ways, for example, as 406030212025 + 571200385284 = 637205^2 + 755778^2 .

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 977230597309 - 2¹ = 977230597307 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 (977230597307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5675209 + ... + 5844865.

It is an arithmetic number, because the mean of its divisors is an integer number (122692848295).

Almost surely, 2^977230597309 is an apocalyptic number.

It is an amenable number.

977230597309 is a deficient number, since it is larger than the sum of its proper divisors (4312189051).

977230597309 is a wasteful number, since it uses less digits than its factorization.

977230597309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195039.

The product of its (nonzero) digits is 22504230, while the sum is 61.

The spelling of 977230597309 in words is "nine hundred seventy-seven billion, two hundred thirty million, five hundred ninety-seven thousand, three hundred nine".