87701739 has 8 divisors (see below), whose sum is σ = 123090240. Its totient is φ = 55390536.

The previous prime is 87701723. The next prime is 87701741. The reversal of 87701739 is 93710778.

It is a happy number.

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

It is not a de Polignac number, because 87701739 - 2⁴ = 87701723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87701739.

It is not an unprimeable number, because it can be changed into a prime (87701039) 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, 769257 + ... + 769370.

It is an arithmetic number, because the mean of its divisors is an integer number (15386280).

Almost surely, 2^87701739 is an apocalyptic number.

87701739 is a deficient number, since it is larger than the sum of its proper divisors (35388501).

87701739 is a wasteful number, since it uses less digits than its factorization.

87701739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538649.

The product of its (nonzero) digits is 74088, while the sum is 42.

The square root of 87701739 is about 9364.9206617034. The cubic root of 87701739 is about 444.2929292117.

The spelling of 87701739 in words is "eighty-seven million, seven hundred one thousand, seven hundred thirty-nine".