30857076377 has 2 divisors, whose sum is σ = 30857076378. Its totient is φ = 30857076376.

The previous prime is 30857076359. The next prime is 30857076409. The reversal of 30857076377 is 77367075803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30400014736 + 457061641 = 174356^2 + 21379^2 .

It is a cyclic number.

It is not a de Polignac number, because 30857076377 - 2¹⁴ = 30857059993 is a prime.

It is a super-2 number, since 2×30857076377² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30857072377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15428538188 + 15428538189.

It is an arithmetic number, because the mean of its divisors is an integer number (15428538189).

Almost surely, 2^30857076377 is an apocalyptic number.

It is an amenable number.

30857076377 is a deficient number, since it is larger than the sum of its proper divisors (1).

30857076377 is an equidigital number, since it uses as much as digits as its factorization.

30857076377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5186160, while the sum is 53.

The spelling of 30857076377 in words is "thirty billion, eight hundred fifty-seven million, seventy-six thousand, three hundred seventy-seven".