87426051 has 4 divisors (see below), whose sum is σ = 116568072. Its totient is φ = 58284032.

The previous prime is 87426047. The next prime is 87426067. The reversal of 87426051 is 15062478.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87426051 - 2² = 87426047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87426071) 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, 14571006 + ... + 14571011.

It is an arithmetic number, because the mean of its divisors is an integer number (29142018).

Almost surely, 2^87426051 is an apocalyptic number.

87426051 is a deficient number, since it is larger than the sum of its proper divisors (29142021).

87426051 is a wasteful number, since it uses less digits than its factorization.

87426051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29142020.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 87426051 is about 9350.1898911199. The cubic root of 87426051 is about 443.8268996928.

The spelling of 87426051 in words is "eighty-seven million, four hundred twenty-six thousand, fifty-one".