87038388425 has 24 divisors (see below), whose sum is σ = 109882025880. Its totient is φ = 68381107200.

The previous prime is 87038388421. The next prime is 87038388433. The reversal of 87038388425 is 52488383078.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 39599806009 + 47438582416 = 198997^2 + 217804^2 .

It is not a de Polignac number, because 87038388425 - 2² = 87038388421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87038388421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166595 + ... + 449255.

It is an arithmetic number, because the mean of its divisors is an integer number (4578417745).

Almost surely, 2^87038388425 is an apocalyptic number.

It is an amenable number.

87038388425 is a deficient number, since it is larger than the sum of its proper divisors (22843637455).

87038388425 is a wasteful number, since it uses less digits than its factorization.

87038388425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282893 (or 282888 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 56.

The spelling of 87038388425 in words is "eighty-seven billion, thirty-eight million, three hundred eighty-eight thousand, four hundred twenty-five".