873694251 has 6 divisors (see below), whose sum is σ = 1262002820. Its totient is φ = 582462828.

The previous prime is 873694249. The next prime is 873694273. The reversal of 873694251 is 152496378.

It is not a de Polignac number, because 873694251 - 2¹ = 873694249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 873694197 and 873694206.

It is not an unprimeable number, because it can be changed into a prime (873694201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48538561 + ... + 48538578.

Almost surely, 2^873694251 is an apocalyptic number.

873694251 is a deficient number, since it is larger than the sum of its proper divisors (388308569).

873694251 is a wasteful number, since it uses less digits than its factorization.

873694251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97077145 (or 97077142 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 873694251 is about 29558.3194887666. The cubic root of 873694251 is about 955.9895815785.

The spelling of 873694251 in words is "eight hundred seventy-three million, six hundred ninety-four thousand, two hundred fifty-one".