1097497876 has 12 divisors (see below), whose sum is σ = 1920867508. Its totient is φ = 548678592.

The previous prime is 1097497873. The next prime is 1097497903. The reversal of 1097497876 is 6787947901.

It can be written as a sum of positive squares in 2 ways, for example, as 904565776 + 192932100 = 30076^2 + 13890^2 .

It is a super-2 number, since 2×1097497876² = 2409003175649022752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1097497876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097497873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34960 + ... + 58456.

Almost surely, 2^1097497876 is an apocalyptic number.

It is an amenable number.

1097497876 is a deficient number, since it is larger than the sum of its proper divisors (823369632).

1097497876 is a wasteful number, since it uses less digits than its factorization.

1097497876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35178 (or 35176 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 58.

The square root of 1097497876 is about 33128.5054899855. The cubic root of 1097497876 is about 1031.4968264474.

The spelling of 1097497876 in words is "one billion, ninety-seven million, four hundred ninety-seven thousand, eight hundred seventy-six".