807420051 has 6 divisors (see below), whose sum is σ = 1166273420. Its totient is φ = 538280028.

The previous prime is 807420043. The next prime is 807420109. The reversal of 807420051 is 150024708.

It is not a de Polignac number, because 807420051 - 2³ = 807420043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 807419997 and 807420024.

It is not an unprimeable number, because it can be changed into a prime (807420041) 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, 44856661 + ... + 44856678.

Almost surely, 2^807420051 is an apocalyptic number.

807420051 is a deficient number, since it is larger than the sum of its proper divisors (358853369).

807420051 is a wasteful number, since it uses less digits than its factorization.

807420051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89713345 (or 89713342 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 807420051 is about 28415.1377086228. The cubic root of 807420051 is about 931.1790076296.

Adding to 807420051 its reverse (150024708), we get a palindrome (957444759).

The spelling of 807420051 in words is "eight hundred seven million, four hundred twenty thousand, fifty-one".