1054772788 has 24 divisors (see below), whose sum is σ = 1865241000. Its totient is φ = 521874048.

The previous prime is 1054772773. The next prime is 1054772791. The reversal of 1054772788 is 8872774501.

It can be written as a sum of positive squares in 4 ways, for example, as 138015504 + 916757284 = 11748^2 + 30278^2 .

It is a super-2 number, since 2×1054772788² = 2225091268610585888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161898 + ... + 168286.

It is an arithmetic number, because the mean of its divisors is an integer number (77718375).

Almost surely, 2^1054772788 is an apocalyptic number.

It is an amenable number.

1054772788 is a deficient number, since it is larger than the sum of its proper divisors (810468212).

1054772788 is a wasteful number, since it uses less digits than its factorization.

1054772788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6819 (or 6817 counting only the distinct ones).

The product of its (nonzero) digits is 878080, while the sum is 49.

The square root of 1054772788 is about 32477.2657100317. The cubic root of 1054772788 is about 1017.9340433798.

The spelling of 1054772788 in words is "one billion, fifty-four million, seven hundred seventy-two thousand, seven hundred eighty-eight".