428777150 has 12 divisors (see below), whose sum is σ = 797525592. Its totient is φ = 171510840.

The previous prime is 428777147. The next prime is 428777189. The reversal of 428777150 is 51777824.

It is a junction number, because it is equal to n+sod(n) for n = 428777098 and 428777107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4287722 + ... + 4287821.

It is an arithmetic number, because the mean of its divisors is an integer number (66460466).

Almost surely, 2^428777150 is an apocalyptic number.

428777150 is a deficient number, since it is larger than the sum of its proper divisors (368748442).

428777150 is a wasteful number, since it uses less digits than its factorization.

428777150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8575555 (or 8575550 counting only the distinct ones).

The product of its (nonzero) digits is 109760, while the sum is 41.

The square root of 428777150 is about 20706.9348286993. The cubic root of 428777150 is about 754.0680576111.

The spelling of 428777150 in words is "four hundred twenty-eight million, seven hundred seventy-seven thousand, one hundred fifty".