30878573045 has 32 divisors (see below), whose sum is σ = 39307161600. Its totient is φ = 23221636416.

The previous prime is 30878572993. The next prime is 30878573069. The reversal of 30878573045 is 54037587803.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30878573045 - 2¹² = 30878568949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30878572984 and 30878573002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11405582 + ... + 11408288.

It is an arithmetic number, because the mean of its divisors is an integer number (1228348800).

Almost surely, 2^30878573045 is an apocalyptic number.

It is an amenable number.

30878573045 is a deficient number, since it is larger than the sum of its proper divisors (8428588555).

30878573045 is a wasteful number, since it uses less digits than its factorization.

30878573045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617.

The product of its (nonzero) digits is 2822400, while the sum is 50.

The spelling of 30878573045 in words is "thirty billion, eight hundred seventy-eight million, five hundred seventy-three thousand, forty-five".