87000003957 has 8 divisors (see below), whose sum is σ = 116156977120. Its totient is φ = 57921516720.

The previous prime is 87000003931. The next prime is 87000003991. The reversal of 87000003957 is 75930000078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87000003957 - 2¹⁴ = 86999987573 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 (87000003917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19618894 + ... + 19623327.

It is an arithmetic number, because the mean of its divisors is an integer number (14519622140).

Almost surely, 2^87000003957 is an apocalyptic number.

It is an amenable number.

87000003957 is a deficient number, since it is larger than the sum of its proper divisors (29156973163).

87000003957 is a wasteful number, since it uses less digits than its factorization.

87000003957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39242963.

The product of its (nonzero) digits is 52920, while the sum is 39.

The spelling of 87000003957 in words is "eighty-seven billion, three thousand, nine hundred fifty-seven".