1072777948 has 24 divisors (see below), whose sum is σ = 2061788400. Its totient is φ = 484350720.

The previous prime is 1072777939. The next prime is 1072777969. The reversal of 1072777948 is 8497772701.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1072777895 and 1072777904.

It is a congruent number.

It is an unprimeable number.

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, 75261 + ... + 88372.

It is an arithmetic number, because the mean of its divisors is an integer number (85907850).

Almost surely, 2^1072777948 is an apocalyptic number.

It is an amenable number.

1072777948 is a deficient number, since it is larger than the sum of its proper divisors (989010452).

1072777948 is a wasteful number, since it uses less digits than its factorization.

1072777948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163797 (or 163795 counting only the distinct ones).

The product of its (nonzero) digits is 1382976, while the sum is 52.

The square root of 1072777948 is about 32753.2891172780. The cubic root of 1072777948 is about 1023.6935003404.

The spelling of 1072777948 in words is "one billion, seventy-two million, seven hundred seventy-seven thousand, nine hundred forty-eight".