995869778 has 16 divisors (see below), whose sum is σ = 1560418560. Its totient is φ = 475776576.

The previous prime is 995869757. The next prime is 995869807. The reversal of 995869778 is 877968599.

It is a super-2 number, since 2×995869778² = 1983513229467538568, which contains 22 as substring.

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, 33863 + ... + 56021.

It is an arithmetic number, because the mean of its divisors is an integer number (97526160).

Almost surely, 2^995869778 is an apocalyptic number.

995869778 is a deficient number, since it is larger than the sum of its proper divisors (564548782).

995869778 is a wasteful number, since it uses less digits than its factorization.

995869778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23161.

The product of its digits is 68584320, while the sum is 68.

The square root of 995869778 is about 31557.4044876951. The cubic root of 995869778 is about 998.6213595573.

The spelling of 995869778 in words is "nine hundred ninety-five million, eight hundred sixty-nine thousand, seven hundred seventy-eight".