87307461 has 12 divisors (see below), whose sum is σ = 133529292. Its totient is φ = 54781056.

The previous prime is 87307453. The next prime is 87307463. The reversal of 87307461 is 16470378.

It can be written as a sum of positive squares in 2 ways, for example, as 35034561 + 52272900 = 5919^2 + 7230^2 .

It is not a de Polignac number, because 87307461 - 2³ = 87307453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87307463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 285166 + ... + 285471.

It is an arithmetic number, because the mean of its divisors is an integer number (11127441).

Almost surely, 2^87307461 is an apocalyptic number.

It is an amenable number.

87307461 is a deficient number, since it is larger than the sum of its proper divisors (46221831).

87307461 is a wasteful number, since it uses less digits than its factorization.

87307461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570660 (or 570657 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 87307461 is about 9343.8461566959. The cubic root of 87307461 is about 443.6261309754.

The spelling of 87307461 in words is "eighty-seven million, three hundred seven thousand, four hundred sixty-one".