9730621377 has 12 divisors (see below), whose sum is σ = 14068961764. Its totient is φ = 6480794880.

The previous prime is 9730621367. The next prime is 9730621387. The reversal of 9730621377 is 7731260379.

It is an interprime number because it is at equal distance from previous prime (9730621367) and next prime (9730621387).

It can be written as a sum of positive squares in 2 ways, for example, as 9449589681 + 281031696 = 97209^2 + 16764^2 .

It is not a de Polignac number, because 9730621377 - 2⁴ = 9730621361 is a prime.

It is a super-2 number, since 2×9730621377² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9730621367) 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, 514024 + ... + 532617.

Almost surely, 2^9730621377 is an apocalyptic number.

It is an amenable number.

9730621377 is a deficient number, since it is larger than the sum of its proper divisors (4338340387).

9730621377 is a wasteful number, since it uses less digits than its factorization.

9730621377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047680 (or 1047677 counting only the distinct ones).

The product of its (nonzero) digits is 333396, while the sum is 45.

The square root of 9730621377 is about 98643.9120118419. The cubic root of 9730621377 is about 2134.9130475550.

The spelling of 9730621377 in words is "nine billion, seven hundred thirty million, six hundred twenty-one thousand, three hundred seventy-seven".