30777376641 has 16 divisors (see below), whose sum is σ = 44902357248. Its totient is φ = 18596595600.

The previous prime is 30777376573. The next prime is 30777376649. The reversal of 30777376641 is 14667377703.

It is not a de Polignac number, because 30777376641 - 2¹⁰ = 30777375617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30777376649) 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, 1397911 + ... + 1419756.

It is an arithmetic number, because the mean of its divisors is an integer number (2806397328).

Almost surely, 2^30777376641 is an apocalyptic number.

It is an amenable number.

30777376641 is a deficient number, since it is larger than the sum of its proper divisors (14124980607).

30777376641 is a wasteful number, since it uses less digits than its factorization.

30777376641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818012.

The product of its (nonzero) digits is 3111696, while the sum is 51.

The spelling of 30777376641 in words is "thirty billion, seven hundred seventy-seven million, three hundred seventy-six thousand, six hundred forty-one".