87926457 has 4 divisors (see below), whose sum is σ = 117235280. Its totient is φ = 58617636.

The previous prime is 87926441. The next prime is 87926473. The reversal of 87926457 is 75462978.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (87926441) and next prime (87926473).

It is not a de Polignac number, because 87926457 - 2⁴ = 87926441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87926477) 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, 14654407 + ... + 14654412.

It is an arithmetic number, because the mean of its divisors is an integer number (29308820).

Almost surely, 2^87926457 is an apocalyptic number.

It is an amenable number.

87926457 is a deficient number, since it is larger than the sum of its proper divisors (29308823).

87926457 is a wasteful number, since it uses less digits than its factorization.

87926457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29308822.

The product of its digits is 846720, while the sum is 48.

The square root of 87926457 is about 9376.9108452624. The cubic root of 87926457 is about 444.6720758777.

The spelling of 87926457 in words is "eighty-seven million, nine hundred twenty-six thousand, four hundred fifty-seven".