30777402534 has 16 divisors (see below), whose sum is σ = 61830838272. Its totient is φ = 10213128648.

The previous prime is 30777402533. The next prime is 30777402581. The reversal of 30777402534 is 43520477703.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30777402533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11499934 + ... + 11502609.

It is an arithmetic number, because the mean of its divisors is an integer number (3864427392).

Almost surely, 2^30777402534 is an apocalyptic number.

30777402534 is an abundant number, since it is smaller than the sum of its proper divisors (31053435738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30777402534 is a wasteful number, since it uses less digits than its factorization.

30777402534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23002771.

The product of its (nonzero) digits is 493920, while the sum is 42.

The spelling of 30777402534 in words is "thirty billion, seven hundred seventy-seven million, four hundred two thousand, five hundred thirty-four".