70877089 has 8 divisors (see below), whose sum is σ = 73881728. Its totient is φ = 67929840.

The previous prime is 70877083. The next prime is 70877101. The reversal of 70877089 is 98077807.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 70877089 - 2¹¹ = 70875041 is a prime.

It is a super-2 number, since 2×70877089² = 10047123490227842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70877083) 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, 11817 + ... + 16774.

It is an arithmetic number, because the mean of its divisors is an integer number (9235216).

Almost surely, 2^70877089 is an apocalyptic number.

It is an amenable number.

70877089 is a deficient number, since it is larger than the sum of its proper divisors (3004639).

70877089 is a wasteful number, since it uses less digits than its factorization.

70877089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28695.

The product of its (nonzero) digits is 197568, while the sum is 46.

The square root of 70877089 is about 8418.8531879348. The cubic root of 70877089 is about 413.8426923027.

The spelling of 70877089 in words is "seventy million, eight hundred seventy-seven thousand, eighty-nine".