87393077 has 4 divisors (see below), whose sum is σ = 91192800. Its totient is φ = 83593356.

The previous prime is 87393049. The next prime is 87393079. The reversal of 87393077 is 77039378.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 87393077 - 2⁶ = 87393013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87393079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1899827 + ... + 1899872.

It is an arithmetic number, because the mean of its divisors is an integer number (22798200).

Almost surely, 2^87393077 is an apocalyptic number.

It is an amenable number.

87393077 is a deficient number, since it is larger than the sum of its proper divisors (3799723).

87393077 is a wasteful number, since it uses less digits than its factorization.

87393077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3799722.

The product of its (nonzero) digits is 222264, while the sum is 44.

The square root of 87393077 is about 9348.4264451297. The cubic root of 87393077 is about 443.7710940974.

The spelling of 87393077 in words is "eighty-seven million, three hundred ninety-three thousand, seventy-seven".