992670851 has 4 divisors (see below), whose sum is σ = 1051063272. Its totient is φ = 934278432.

The previous prime is 992670799. The next prime is 992670859. The reversal of 992670851 is 158076299.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 158076299 = 43 ⋅3676193.

It is a cyclic number.

It is not a de Polignac number, because 992670851 - 2¹⁸ = 992408707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 992670796 and 992670805.

It is not an unprimeable number, because it can be changed into a prime (992670859) 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, 29196185 + ... + 29196218.

It is an arithmetic number, because the mean of its divisors is an integer number (262765818).

Almost surely, 2^992670851 is an apocalyptic number.

992670851 is a deficient number, since it is larger than the sum of its proper divisors (58392421).

992670851 is a wasteful number, since it uses less digits than its factorization.

992670851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58392420.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 992670851 is about 31506.6794664243. The cubic root of 992670851 is about 997.5509574201.

The spelling of 992670851 in words is "nine hundred ninety-two million, six hundred seventy thousand, eight hundred fifty-one".