30930398877 has 16 divisors (see below), whose sum is σ = 47137946240. Its totient is φ = 17672297472.

The previous prime is 30930398857. The next prime is 30930398879. The reversal of 30930398877 is 77889303903.

It is not a de Polignac number, because 30930398877 - 2¹⁰ = 30930397853 is a prime.

It is a super-2 number, since 2×30930398877² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30930398879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87249 + ... + 263577.

It is an arithmetic number, because the mean of its divisors is an integer number (2946121640).

Almost surely, 2^30930398877 is an apocalyptic number.

It is an amenable number.

30930398877 is a deficient number, since it is larger than the sum of its proper divisors (16207547363).

30930398877 is a wasteful number, since it uses less digits than its factorization.

30930398877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184692.

The product of its (nonzero) digits is 6858432, while the sum is 57.

The spelling of 30930398877 in words is "thirty billion, nine hundred thirty million, three hundred ninety-eight thousand, eight hundred seventy-seven".