787150061 has 4 divisors (see below), whose sum is σ = 787998300. Its totient is φ = 786301824.

The previous prime is 787150057. The next prime is 787150073. The reversal of 787150061 is 160051787.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89661961 + 697488100 = 9469^2 + 26410^2 .

It is a cyclic number.

It is not a de Polignac number, because 787150061 - 2² = 787150057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787150081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422726 + ... + 424583.

It is an arithmetic number, because the mean of its divisors is an integer number (196999575).

Almost surely, 2^787150061 is an apocalyptic number.

It is an amenable number.

787150061 is a deficient number, since it is larger than the sum of its proper divisors (848239).

787150061 is an equidigital number, since it uses as much as digits as its factorization.

787150061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848238.

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 787150061 is about 28056.1946992104. The cubic root of 787150061 is about 923.3205703018.

The spelling of 787150061 in words is "seven hundred eighty-seven million, one hundred fifty thousand, sixty-one".