993472776 has 40 divisors (see below), whose sum is σ = 2782645470. Its totient is φ = 331157376.

The previous prime is 993472759. The next prime is 993472783. The reversal of 993472776 is 677274399.

It can be written as a sum of positive squares in only one way, i.e., 722211876 + 271260900 = 26874^2 + 16470^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 765921 + ... + 767216.

Almost surely, 2^993472776 is an apocalyptic number.

It is an amenable number.

993472776 is an abundant number, since it is smaller than the sum of its proper divisors (1789172694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

993472776 is a wasteful number, since it uses less digits than its factorization.

993472776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533155 (or 1533142 counting only the distinct ones).

The product of its digits is 4000752, while the sum is 54.

The square root of 993472776 is about 31519.4031669383. The cubic root of 993472776 is about 997.8195075752.

The spelling of 993472776 in words is "nine hundred ninety-three million, four hundred seventy-two thousand, seven hundred seventy-six".