76948989 has 8 divisors (see below), whose sum is σ = 110490912. Its totient is φ = 47353200.

The previous prime is 76948981. The next prime is 76949003. The reversal of 76948989 is 98984967.

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

It is not a de Polignac number, because 76948989 - 2³ = 76948981 is a prime.

It is a super-2 number, since 2×76948989² = 11842293816244242, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76948981) 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, 986487 + ... + 986564.

It is an arithmetic number, because the mean of its divisors is an integer number (13811364).

Almost surely, 2^76948989 is an apocalyptic number.

It is an amenable number.

76948989 is a deficient number, since it is larger than the sum of its proper divisors (33541923).

76948989 is a wasteful number, since it uses less digits than its factorization.

76948989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973067.

The product of its digits is 7838208, while the sum is 60.

The square root of 76948989 is about 8772.0572843547. The cubic root of 76948989 is about 425.3381189347.

The spelling of 76948989 in words is "seventy-six million, nine hundred forty-eight thousand, nine hundred eighty-nine".