87391401 has 8 divisors (see below), whose sum is σ = 117294144. Its totient is φ = 57874800.

The previous prime is 87391399. The next prime is 87391411. The reversal of 87391401 is 10419378.

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

It is not a de Polignac number, because 87391401 - 2¹ = 87391399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87391411) 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, 96006 + ... + 96911.

It is an arithmetic number, because the mean of its divisors is an integer number (14661768).

Almost surely, 2^87391401 is an apocalyptic number.

It is an amenable number.

87391401 is a deficient number, since it is larger than the sum of its proper divisors (29902743).

87391401 is a wasteful number, since it uses less digits than its factorization.

87391401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193071.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 87391401 is about 9348.3368039454. The cubic root of 87391401 is about 443.7682572400.

The spelling of 87391401 in words is "eighty-seven million, three hundred ninety-one thousand, four hundred one".