89380531947 has 32 divisors (see below), whose sum is σ = 137773684224. Its totient is φ = 50487091200.

The previous prime is 89380531939. The next prime is 89380531991. The reversal of 89380531947 is 74913508398.

It is not a de Polignac number, because 89380531947 - 2³ = 89380531939 is a prime.

It is a super-2 number, since 2×89380531947² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89380531927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 643797 + ... + 770217.

It is an arithmetic number, because the mean of its divisors is an integer number (4305427632).

Almost surely, 2^89380531947 is an apocalyptic number.

89380531947 is a deficient number, since it is larger than the sum of its proper divisors (48393152277).

89380531947 is a wasteful number, since it uses less digits than its factorization.

89380531947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126819.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 89380531947 in words is "eighty-nine billion, three hundred eighty million, five hundred thirty-one thousand, nine hundred forty-seven".