86487954 has 64 divisors (see below), whose sum is σ = 205750272. Its totient is φ = 23716800.

The previous prime is 86487949. The next prime is 86487977. The reversal of 86487954 is 45978468.

It is a super-2 number, since 2×86487954² = 14960332374212232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86487897 and 86487906.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235479 + ... + 235845.

It is an arithmetic number, because the mean of its divisors is an integer number (3214848).

Almost surely, 2^86487954 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86487954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102875136).

86487954 is an abundant number, since it is smaller than the sum of its proper divisors (119262318).

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

86487954 is a wasteful number, since it uses less digits than its factorization.

86487954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591.

The product of its digits is 1935360, while the sum is 51.

The square root of 86487954 is about 9299.8899993495. The cubic root of 86487954 is about 442.2337406783.

The spelling of 86487954 in words is "eighty-six million, four hundred eighty-seven thousand, nine hundred fifty-four".