87451746 has 16 divisors (see below), whose sum is σ = 175260000. Its totient is φ = 29091168.

The previous prime is 87451709. The next prime is 87451751. The reversal of 87451746 is 64715478.

It is a junction number, because it is equal to n+sod(n) for n = 87451698 and 87451707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11611 + ... + 17598.

It is an arithmetic number, because the mean of its divisors is an integer number (10953750).

Almost surely, 2^87451746 is an apocalyptic number.

87451746 is an abundant number, since it is smaller than the sum of its proper divisors (87808254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87451746 is a wasteful number, since it uses less digits than its factorization.

87451746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29713.

The product of its digits is 188160, while the sum is 42.

The square root of 87451746 is about 9351.5638264410. The cubic root of 87451746 is about 443.8703764940.

The spelling of 87451746 in words is "eighty-seven million, four hundred fifty-one thousand, seven hundred forty-six".